collet 0.1.0

Relentless agentic coding orchestrator with zero-drop agent loops
Documentation
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use super::secrets::{extract_secrets, load_secrets, save_secrets, update_gitignore_for_secrets};
use super::types::ConfigFile;
use crate::common::{AgentError, Result};
use std::path::Path;

/// Write a default config file with comments.
#[cfg(test)]
pub fn write_default_config(path: &Path) -> Result<()> {
    let content = r#"# collet configuration
# Priority: env vars > this file > defaults
# Env vars: COLLET_BASE_URL, COLLET_MODEL
# Provider env vars: ZAI_API_KEY / ZAI_BASE_URL (Z.ai), OPENAI_API_KEY, ANTHROPIC_API_KEY

[api]
# base_url = "..."  # Set by provider entry; override only if needed
# model = "glm-4.7"
# max_tokens = 8192
# (api_key / api_key_enc → stored in .secrets, use: collet secure)

# Named agent definitions — Tab/Shift+Tab cycles through these.
# Each agent has a name and the model it uses.
# [[agents.list]]
# name  = "code"
# model = "glm-4.7"
#
# [[agents.list]]
# name  = "architect"
# model = "glm-5"
#
# [[agents.list]]
# name  = "ask"
# model = "glm-4.7-flash"

[agent]
tool_timeout_secs = 300
task_timeout_secs = 7200
max_iterations = 200
max_continuations = 5
circuit_breaker_threshold = 3
stream_idle_timeout_secs = 120  # seconds of no chunk before retry
stream_max_retries = 5          # max retry attempts on stream idle
iteration_delay_ms = 50         # ms pause between iterations (429 has its own backoff)
auto_optimize = true            # auto-suggest parameter tuning based on benchmarks
auto_route = false               # automatically select lighter/heavier model based on task complexity

[context]
max_tokens = 200000
compaction_threshold = 0.8
adaptive_compaction = true

[hooks]
auto_commit = true
# lint_cmd = "cargo clippy --fix --allow-dirty"
# test_cmd = "cargo test"

[ui]
theme = "default"                    # Run /theme in TUI for full list (25 themes available)
debug_mode = false                   # Show process monitor in sidebar (memory, CPU, tokens)

[collaboration]
mode = "flock"                       # none | fork | hive | flock
max_agents = 3                       # Maximum parallel agents
# worker_model = "..."        # Override worker model. If unset, uses the last model in the provider's [[providers.models]] list.
# coordinator_model = "..."   # Override coordinator model. If unset, uses the first model in the provider's [[providers.models]] list.
worktree = true                      # Git worktree isolation per agent (default: true)
auto_suggest = true                  # Suggest upgrading mode when complex task detected
strategy = "auto_split"             # auto_split | role_based | plan_review_execute  (hive/flock)
require_consensus = true             # Require consensus before convergence            (hive/flock)
conflict_resolution = "coordinator_resolves"  # coordinator_resolves | last_writer_wins | user_resolves

[web]
host = "127.0.0.1"                   # Bind hostname (default: localhost only)
port = 3080                          # Bind port
username = "collet"                  # Login username (default: collet)
# password_enc = "base64..."         # Encrypted password (use: collet secure --web)
# cors_origins = "http://localhost:5173"  # Additional CORS origins (comma-separated)

[debug]
# Performance targets — metrics exceeding these thresholds are highlighted
tool_latency_avg_ms = 2000           # Average tool call latency (ms)
api_latency_avg_ms = 5000            # Average API call latency (ms)
tool_success_rate = 95.0             # Minimum tool success rate (%)
tokens_per_iteration = 8000          # Max tokens per iteration
tools_per_iteration = 5              # Max tool calls per iteration
"#;
    std::fs::write(path, content).map_err(|e| {
        AgentError::Config(format!(
            "Failed to write config: {} - {}",
            path.display(),
            e
        ))
    })?;
    Ok(())
}

/// Scaffold default directories and starter files under `~/.config/collet/`.
///
/// Creates:
///   skills/   — 4 built-in skills
///   agents/   — placeholder (Phase 1: .md agent definitions)
///   commands/ — placeholder (Phase 2: custom slash commands)
pub fn scaffold_defaults(base: &Path) -> Result<()> {
    let skills = base.join("skills");
    let agents = base.join("agents");
    let commands = base.join("commands");

    // ── Global rules ─────────────────────────────────────────────────────────
    write_if_missing(
        &base.join("rules.md"),
        r#"# Global Rules

## Documentation File Organization

When creating documentation files (`.md`, reports, analyses, plans, design docs, etc.),
save them under `colletdocs/{category}/filename` — never in the project root or scattered
across source directories.

### Category Guide

| Category | Use for |
|----------|---------|
| `colletdocs/design/` | Architecture decisions, system design, API design |
| `colletdocs/analysis/` | Code analysis, performance reports, audit results |
| `colletdocs/guides/` | How-to guides, tutorials, onboarding |
| `colletdocs/plans/` | Implementation plans, roadmaps |
| `colletdocs/reports/` | Test reports, benchmark results, investigation summaries |
| `colletdocs/specs/` | Feature specifications, requirements |

When in doubt, pick the closest matching category.

Examples:
- `colletdocs/analysis/auth-review.md` ✓
- `auth-review.md` (project root) ✗
"#,
    )?;

    // ══════════════════════════════════════════════════════════════════════════
    // SKILLS  — 12 skills covering developer + non-developer workflows
    // ══════════════════════════════════════════════════════════════════════════

    // ── Developer: code quality ──────────────────────────────────────────────

    write_if_missing(
        &skills.join("review-code").join("SKILL.md"),
        r#"---
name: review-code
description: Review code changes for bugs, security vulnerabilities, performance issues, and style inconsistencies.
tags: code review, bugs, security, performance, style, audit, static analysis
---

1. Run `git diff HEAD~1` (or `git diff --cached` for staged) to get changes.
2. Read each changed file for full context.
3. Analyze per file:
   - Bugs & edge cases (nulls, off-by-one, races, panics)
   - Security: injection, auth bypass, secrets in code, insecure deserialization
   - Performance: O(n²) loops, unnecessary allocations, blocking I/O, N+1 queries
   - Error handling: unhandled errors, silent failures, missing rollbacks
   - Style: naming, dead code, duplicates, magic numbers
4. Report format — one section per file:
   ```
   ## path/to/file.rs
   [CRITICAL] line 42 — SQL query built with string concat → use parameterized queries
   [WARNING]  line 87 — unwrap() on Result may panic in production
   [SUGGESTION] line 103 — extract repeated logic into helper function
   ```
5. Conclude with an overall score: APPROVE / APPROVE WITH NITS / REQUEST CHANGES.
"#,
    )?;

    write_if_missing(
        &skills.join("commit-msg").join("SKILL.md"),
        r#"---
name: commit-msg
description: Generate a Conventional Commits message and commit staged changes.
tags: git, commit, conventional commits, changelog, version control, staging
---

1. Run `git diff --cached` to inspect staged changes (fall back to `git diff` if nothing staged).
2. Determine commit type: feat|fix|refactor|perf|test|docs|chore|ci|build.
3. Determine scope from the primary module/directory changed (omit if changes are widespread).
4. Title: `<type>(<scope>): <imperative summary>` — ≤72 chars, lowercase, no period.
5. Body (optional): explain *why*, not *what*. Wrap at 72 chars.
6. Breaking changes: add `!` after type or BREAKING CHANGE footer.
7. Execute: `git commit -m "<message>"` via bash.
   - Do NOT add Co-Authored-By.
   - If nothing is staged, run `git add -p` first and ask user to confirm.

Example output:
```
feat(auth): add JWT refresh token rotation

Reduces session hijacking risk by invalidating old tokens
on each refresh. Adds redis-backed token blocklist.
```
"#,
    )?;

    write_if_missing(
        &skills.join("test-gen").join("SKILL.md"),
        r#"---
name: test-gen
description: Generate unit and integration tests covering happy paths, edge cases, and error conditions for a target file or function.
tags: testing, unit test, integration test, coverage, pytest, jest, cargo test, TDD
---

1. Read the target file. Identify all public functions, methods, and types.
2. For each target, generate:
   - **Happy path**: expected inputs → expected outputs.
   - **Edge cases**: empty/nil, boundary values, max/min, unicode, concurrent access.
   - **Error paths**: invalid inputs, dependency failures, timeouts, partial writes.
3. Follow the project's test file convention (same directory, `_test` suffix, or `tests/` dir).
4. Test names: `test_<function>_<scenario>` or `<function>_<scenario>` in idiomatic style.
5. Prefer testing real behavior over mocking. Only mock external I/O (network, DB, FS).
6. Run `cargo test` / `npm test` / `pytest` to verify all tests pass.
7. If tests fail, fix the test or flag the production code bug.
"#,
    )?;

    write_if_missing(
        &skills.join("debug").join("SKILL.md"),
        r#"---
name: debug
description: Systematically diagnose and fix a failing test, crash, unexpected output, or performance regression.
tags: debugging, error, crash, stack trace, root cause, fix, troubleshoot, diagnosis
---

1. **Reproduce**: get the exact error message, stack trace, or wrong output. Run the failing command.
2. **Narrow scope**: is it a compile error, runtime panic, logic bug, or performance issue?
3. **Gather context**:
   - Read the failing code and its direct dependencies.
   - Check recent changes: `git log --oneline -10`, `git diff HEAD~1`.
   - Look for similar patterns elsewhere in the codebase.
4. **Hypothesize**: state 2-3 possible root causes, ordered by likelihood.
5. **Verify**: add temporary logging/assertions or write a minimal repro test.
6. **Fix**: implement the minimal correct fix. Avoid unnecessary refactoring.
7. **Verify fix**: re-run the failing test/command. Confirm no regressions.
8. **Clean up**: remove temporary debug code, update or add a regression test.
"#,
    )?;

    write_if_missing(
        &skills.join("refactor").join("SKILL.md"),
        r#"---
name: refactor
description: Safely refactor code to improve structure, naming, reduce duplication, or apply a design pattern without changing behavior.
tags: refactoring, cleanup, rename, extract, design pattern, code quality, restructure
---

1. **Understand scope**: read the target file(s) and identify the refactor goal (rename, extract, inline, split, merge, pattern).
2. **Check test coverage**: run existing tests. If coverage is low, generate tests first with /test-gen before touching code.
3. **Apply changes incrementally**:
   - One logical change at a time (rename → verify, extract → verify, etc.).
   - Preserve all existing public APIs unless the goal is breaking-change cleanup.
4. **Verify after each step**: run `cargo check` / `tsc` / linter to catch type errors early.
5. **Run full test suite** when done.
6. **Summarize**: list each change made and confirm no behavior was altered.

Common patterns:
- Extract function: move repeated logic into a named helper.
- Rename: choose a name that reveals intent; update all call sites.
- Split module: if a file > 500 lines, split by responsibility.
- Replace magic number/string: introduce a named constant.
"#,
    )?;

    write_if_missing(
        &skills.join("pr-review").join("SKILL.md"),
        r#"---
name: pr-review
description: Generate a pull request title, description, and review checklist from current branch changes.
tags: pull request, PR, code review, diff, checklist, git, branch
---

1. Run `git log main...HEAD --oneline` to list commits.
2. Run `git diff main...HEAD --stat` for changed files summary.
3. Run `git diff main...HEAD` for full diff (truncate if >300 lines).
4. Produce a PR description in this format:

```markdown
## Summary
<!-- 2-4 bullet points describing WHAT and WHY -->

## Changes
<!-- Per-file or per-area bullet list -->

## Test plan
<!-- How to verify this works -->

## Checklist
- [ ] Tests added / updated
- [ ] Docs updated if API changed
- [ ] No secrets or credentials committed
- [ ] Breaking changes documented
```

5. Suggest a concise PR title: `<type>: <description>` (≤72 chars).
6. Flag any concerns found during diff review (security, missing tests, TODOs left in).
"#,
    )?;

    write_if_missing(
        &skills.join("docs-gen").join("SKILL.md"),
        r#"---
name: docs-gen
description: Generate or update README, API reference, or inline docstrings from source code.
tags: documentation, README, API docs, docstrings, markdown, JSDoc, rustdoc
---

Determine what to document based on the request:

**README**: Read existing README.md (if any), scan project structure and main entry points.
Generate: project purpose, quick-start (install + run), configuration, key features, architecture overview.

**API docs**: Read public types, functions, and routes. For each:
- Purpose (one sentence)
- Parameters with types and constraints
- Return value / response shape
- Error conditions
- Usage example

**Inline docstrings**: Read target file. Add doc comments to all public items without one.
Style: `///` for Rust, `/** */` or JSDoc for JS/TS, `"""` for Python.
Be factual — describe what the code does, not just its name.

After writing: run `cargo doc --no-deps` / `typedoc` / `pydoc` to verify docs build cleanly.
"#,
    )?;

    write_if_missing(
        &skills.join("scaffold").join("SKILL.md"),
        r#"---
name: scaffold
description: Create a new project, module, or feature skeleton following best practices for the detected language and framework.
tags: scaffold, project setup, boilerplate, new project, directory structure, template
---

1. Detect language/framework from existing files or user request.
2. Ask (or infer) the project name, type (library/binary/service/component), and key dependencies.
3. Create standard directory structure:
   - Rust: `src/`, `tests/`, `Cargo.toml`, `.gitignore`, `README.md`
   - Node/TS: `src/`, `tests/`, `package.json`, `tsconfig.json`, `.gitignore`
   - Python: `src/<name>/`, `tests/`, `pyproject.toml`, `.gitignore`
   - Generic: `src/`, `docs/`, `tests/`, `README.md`, `.gitignore`
4. Add minimal working entry point and a passing smoke test.
5. Initialize git repo if not already inside one.
6. Print a "next steps" summary of what was created.
"#,
    )?;

    // ── General / Non-developer ───────────────────────────────────────────────

    write_if_missing(
        &skills.join("explain").join("SKILL.md"),
        r#"---
name: explain
description: Explain code, a system, or a concept step-by-step with examples, adjusted to the user's level.
tags: explanation, tutorial, walkthrough, concept, learning, code understanding, breakdown
---

1. Read the target file or accept the concept from context.
2. Structure the explanation:
   - **What it is** (1-2 sentences, plain English)
   - **Why it exists** (problem it solves)
   - **How it works** (step-by-step, input → process → output)
   - **Key design decisions** (why this approach over alternatives)
   - **Dependencies / interactions** (what it calls, what calls it)
3. Use concrete examples. Quote relevant code snippets.
4. Adjust depth: if the user seems new, avoid jargon or define it inline.
5. End with "Does this answer your question, or would you like me to go deeper on any part?"
"#,
    )?;

    write_if_missing(
        &skills.join("summarize").join("SKILL.md"),
        r#"---
name: summarize
description: Summarize any content — document, codebase, PR, conversation thread, or meeting notes — into a concise structured digest.
tags: summary, condense, TLDR, digest, abstract, overview
---

Read or accept the content to summarize. Produce:

1. **TL;DR** (1-3 sentences): the single most important point.
2. **Key points** (bullet list, ≤8 items): facts, decisions, changes, or findings.
3. **Action items** (if any): who does what by when.
4. **Open questions** (if any): unresolved items.

For code/PR: include changed components, risk level (LOW/MEDIUM/HIGH), and whether tests are present.
For long documents: read the whole thing before summarizing — do not summarize section by section.
Keep the summary proportional: 1-page doc → 3-5 bullets; 50-page doc → 1 full page.
"#,
    )?;

    write_if_missing(
        &skills.join("translate").join("SKILL.md"),
        r#"---
name: translate
description: Translate text to a target language with context-appropriate tone and terminology.
tags: translation, multilingual, i18n, localization, language
---

1. Identify the target language from the user's request (default: English if unclear).
2. Identify the register: technical docs, casual chat, formal email, marketing copy, etc.
3. Translate preserving:
   - Meaning (prioritize over literal word-for-word)
   - Tone and register (formal stays formal, casual stays casual)
   - Technical terms (keep original or use accepted loan word in target language)
   - Code blocks, URLs, proper nouns — do NOT translate these
4. For UI strings: keep translations short (UI space is limited).
5. If a phrase is culturally untranslatable, provide the closest equivalent and a brief explanation in parentheses.
6. Output: translated text only (no commentary), unless the user asked for explanations.
"#,
    )?;

    write_if_missing(
        &skills.join("draft").join("SKILL.md"),
        r#"---
name: draft
description: Draft a professional email, Slack message, GitHub issue, incident report, or proposal from a brief description.
tags: writing, email, Slack, GitHub issue, incident report, proposal, document
---

1. Identify the document type and recipient context from the user's request.
2. Apply the appropriate format:
   - **Email**: Subject, greeting, body (context → ask → next step), sign-off.
   - **Slack/chat**: Concise, no formal greeting, use bullet points for lists.
   - **GitHub issue**: Title, problem description, steps to reproduce, expected vs actual, environment.
   - **Incident report**: Timeline, impact, root cause, resolution, follow-up actions.
   - **Proposal/PRD**: Background, problem, proposed solution, success metrics, risks, timeline.
3. Tone: match the audience — casual for internal teams, professional for external.
4. Length: as short as possible while being complete. Cut filler phrases.
5. Present the draft clearly. Offer to adjust tone, length, or format if needed.
"#,
    )?;

    write_if_missing(
        &skills.join("data-analyze").join("SKILL.md"),
        r#"---
name: data-analyze
description: Analyze tabular data (CSV, JSON, logs, query results) and produce a structured report with insights and anomalies.
tags: data analysis, CSV, statistics, EDA, exploratory, profiling, anomaly, pandas
---

1. Read the data file or accept pasted content. Detect format (CSV, JSON, NDJSON, log).
2. **Profile the data**:
   - Row count, column count, date range (if temporal)
   - Data types per column
   - Null / missing value counts
   - Numeric columns: min, max, mean, median, p95
3. **Find patterns**:
   - Top values by frequency
   - Trends over time (if date column present)
   - Outliers (values > 3σ from mean)
   - Correlations between key columns
4. **Report anomalies**: missing data gaps, duplicate rows, suspicious spikes, formatting inconsistencies.
5. **Produce output**:
   - 3-5 key insights in plain language
   - Data quality issues with severity (CRITICAL / WARNING / INFO)
   - Suggested next analysis steps or queries
6. If asked for charts: output ASCII bar/line charts or suggest a Python snippet using matplotlib/pandas.
"#,
    )?;

    // ══════════════════════════════════════════════════════════════════════════
    // AGENTS  — domain specialists only.
    // architect / code / ask are managed in config.toml [agents] and are NOT
    // seeded as .md files here.
    // ══════════════════════════════════════════════════════════════════════════

    write_if_missing(
        &agents.join("devops.md"),
        r#"---
name: devops
tier: heavy
description: DevOps and infrastructure engineer. CI/CD, Docker, Kubernetes, cloud.
soul: true
tags: devops, CI/CD, docker, kubernetes, cloud, terraform, infrastructure, deployment, AWS, pipeline
---

You are a DevOps engineer specializing in infrastructure, automation, and reliability.

## Expertise
- CI/CD: GitHub Actions, GitLab CI, Jenkins, Buildkite
- Containers: Docker, Docker Compose, Kubernetes (kubectl, Helm, Kustomize)
- Cloud: AWS (EC2, ECS, Lambda, S3, RDS), GCP, Azure fundamentals
- IaC: Terraform, Pulumi, Ansible
- Observability: Prometheus, Grafana, OpenTelemetry, structured logging
- Shell: bash, zsh, awk, sed, jq, curl

## Behavior
- Always validate changes against a non-production environment first.
- Write idempotent scripts. Add error handling and meaningful exit codes.
- Prefer declarative configuration (YAML/HCL) over imperative scripts where possible.
- Annotate infrastructure changes with comments explaining the why.

## Skills — use proactively
- /debug — for diagnosing deployment failures, container crashes, or pipeline errors
- /review-code — before merging infrastructure changes
- /docs-gen — to document runbooks and infrastructure components
"#,
    )?;

    write_if_missing(
        &agents.join("security.md"),
        r#"---
name: security
tier: heavy
description: Vulnerability assessment, threat modeling, OWASP audits, security review.
soul: true
tags: security, OWASP, vulnerability, audit, penetration testing, CVE, authentication, cryptography, secrets
---

You are an application security engineer with expertise in offensive and defensive security.

## Expertise
- OWASP Top 10 (injection, XSS, SSRF, IDOR, misconfig, etc.)
- Authentication & authorization: OAuth2, JWT, RBAC, session management
- Cryptography: correct algorithm selection, key management, TLS
- Dependency auditing: CVE scanning, supply-chain risks
- Secrets management: detecting hardcoded credentials, vault patterns
- Secure coding: input validation, output encoding, least privilege

## Behavior
- Lead with the highest-severity issues. Be specific: show the vulnerable line.
- Provide a concrete fix for each finding, not just a description of the problem.
- Distinguish between theoretical risks and exploitable vulnerabilities.
- Do not recommend security theater — prioritize real risk reduction.
- Never include working exploit code; describe the attack vector instead.

## Skills — use proactively
- /review-code — for every security audit request
- /explain — to explain attack vectors in plain language
- /debug — when tracing how a vulnerability can be triggered
"#,
    )?;

    write_if_missing(
        &agents.join("data.md"),
        r#"---
name: data
tier: medium
description: Data engineer and analyst. SQL, ETL pipelines, data modeling, reporting.
soul: true
tags: data, SQL, ETL, pandas, pipeline, analytics, visualization, postgres, database, DuckDB
---

You are a data engineer and analyst comfortable with both pipelines and ad-hoc analysis.

## Expertise
- SQL: PostgreSQL, MySQL, SQLite, BigQuery, DuckDB — query optimization, window functions, CTEs
- Python: pandas, polars, numpy, sqlalchemy, dbt
- ETL: pipeline design, incremental loads, schema evolution, idempotency
- Data modeling: star/snowflake schema, normalization vs. denormalization trade-offs
- Visualization: matplotlib, seaborn, plotly (describe charts when rendering isn't possible)
- File formats: CSV, JSON, Parquet, Arrow, AVRO

## Behavior
- Always check data quality before analysis (nulls, duplicates, outliers).
- Write queries that are readable first, optimized second.
- Explain results in plain language alongside the technical output.
- Flag data quality issues prominently.

## Skills — use proactively
- /data-analyze — to profile and explore any data file
- /explain — to explain query plans or data model decisions
- /docs-gen — to document data models and pipeline logic
- /summarize — to summarize analysis results for non-technical stakeholders
"#,
    )?;

    write_if_missing(
        &agents.join("writer.md"),
        r#"---
name: writer
tier: light
description: Technical writer and content creator. README, blog posts, release notes, PRDs, and prose documentation. Also assists with translation and non-technical writing.
soul: true
tags: writing, prose-writing, README, PRD, blog, content, technical-writing, translation, release-notes, copywriting
---

You are a technical writer who makes complex subjects clear and compelling.

## Expertise
- Technical documentation: README, API reference, architecture docs, runbooks
- Product writing: PRDs, user stories, release notes, changelogs
- Developer content: tutorials, how-to guides, code walkthroughs
- Business writing: emails, proposals, meeting notes, status updates
- Editing: clarity, conciseness, grammar, consistent terminology

## Behavior
- Write for the target audience — adjust vocabulary and assumed knowledge accordingly.
- Structure content: clear headings, short paragraphs, bullet points for lists.
- Lead with the most important information (inverted pyramid).
- Use active voice. Cut filler words ("basically", "simply", "just").
- Provide one complete draft; offer to revise tone, length, or format.

## Skills — use proactively
- /docs-gen — for code documentation and README creation
- /summarize — to condense source material before writing
- /translate — for multilingual content
- /draft — for emails, issues, and structured documents
- /explain — to understand technical content before writing about it
"#,
    )?;

    write_if_missing(
        &agents.join("analyst.md"),
        r#"---
name: analyst
tier: heavy
description: Business and product analyst. Requirements gathering, competitive research, data interpretation, and structured reporting.
soul: true
tags: business-analysis, requirements-gathering, competitive-research, KPIs, metrics, business, reporting, SWOT, prioritization
---

You are a business analyst who turns ambiguous problems into clear, actionable plans.

## Expertise
- Requirements: user stories, acceptance criteria, gap analysis, stakeholder interviews
- Research: competitive analysis, market sizing, technology evaluation
- Metrics: defining KPIs, interpreting dashboards, A/B test analysis
- Documentation: BRDs, functional specs, decision memos, executive summaries
- Process: SWOT, RICE/ICE prioritization, journey mapping

## Behavior
- Ask clarifying questions before jumping to conclusions.
- Structure findings with evidence, not opinions.
- Distinguish between facts, inferences, and assumptions.
- Make recommendations concrete: what to do, by when, and how to measure success.

## Skills — use proactively
- /data-analyze — to interpret quantitative data and metrics
- /summarize — to digest research documents, reports, or threads
- /draft — to write requirements docs, memos, and proposals
- /translate — when working with multilingual stakeholders
"#,
    )?;

    write_if_missing(
        &agents.join("designer.md"),
        r#"---
name: designer
tier: medium
description: UI/UX visual designer. Designs interfaces, user flows, and design systems. Generates and follows DESIGN.md design system files in Google Stitch format.
soul: true
tags: ui, ux, wireframe, design-system, accessibility, typography, color, user-flow, visual-design, interaction-design
---

You are a senior UI/UX visual designer. Your role is purely visual and experiential — you design interfaces, not implement them.

## Expertise
- Design systems: color palettes, typography scales, spacing tokens, elevation, component libraries
- Wireframing and prototyping: lo-fi sketches to hi-fi specs
- User flows: task analysis, navigation patterns, onboarding sequences
- Accessibility: WCAG 2.1 AA/AAA, ARIA roles, keyboard navigation, contrast ratios
- Interaction design: micro-animations, state transitions, feedback patterns
- Responsive design: mobile-first, breakpoints, adaptive layouts
- Established patterns: Material Design 3, Apple HIG, Radix, Tailwind UI

## DESIGN.md — Design System File
You work with a `DESIGN.md` file that captures the project's design system in Google Stitch format.

**When starting a new project** (no DESIGN.md exists), generate one before any other output. Structure:
```
# Design System

## Overview
[Product name, visual identity brief, design principles]

## Colors
[Primary, secondary, semantic (success/warning/error/info), surface, background, border — all with hex values and usage rules]

## Typography
[Font families, scale (xs/sm/base/lg/xl/2xl…), weights, line-heights, letter-spacing]

## Elevation
[Shadow levels (none/sm/md/lg/xl) with exact CSS values, usage context]

## Components
[Per-component specs: structure, variants, all states (default/hover/focus/active/disabled/error), spacing, sizing]

## Do's and Don'ts
[Concrete visual rules; call out common misapplication patterns]
```

**When DESIGN.md exists**, read it first and stay within its tokens. Deviations require explicit justification.

## Behavior
- Start by understanding user goals and context before proposing any design.
- Provide concrete, implementation-ready specs: exact hex colors, px/rem values, typography scales.
- Describe every component with all its states: default, hover, focus, active, disabled, error, loading.
- Flag accessibility issues proactively — never leave contrast or ARIA as an afterthought.
- Reference established design patterns when they apply; explain deviations.

## Output Format
When designing a component or screen, provide:
1. **Visual Structure**: Layout, hierarchy, spacing rules
2. **Design Tokens**: Colors (hex), typography (family/size/weight/line-height), spacing (rem/px)
3. **States & Interactions**: Every interactive state with exact values
4. **Accessibility**: ARIA roles, keyboard navigation, contrast ratio check
5. **Implementation Notes**: Handoff hints for the @code agent

## What You Do NOT Do
- Write production code — delegate to @code
- Make backend, database, or architecture decisions — delegate to @architect
- Perform general frontend engineering tasks (bundlers, build config, JS logic)

## Skills — use proactively
- /review-code — to audit UI implementations for design fidelity and accessibility
- /explain — to describe design decisions and rationale to stakeholders
"#,
    )?;

    // ══════════════════════════════════════════════════════════════════════════
    // COMMANDS  — 6 one-liner shortcuts that compose agents + skills
    // ══════════════════════════════════════════════════════════════════════════

    write_if_missing(
        &commands.join("review.md"),
        r#"---
name: review
description: Review all changes on the current branch against main using the architect agent.
agent: architect
---

Review all changes on this branch against main.

Stats:
!`git diff main...HEAD --stat`

Diff:
!`git diff main...HEAD | head -300`

$ARGUMENTS
"#,
    )?;

    write_if_missing(
        &commands.join("fix.md"),
        r#"---
name: fix
description: Auto-fix build errors, type errors, or failing tests reported by the toolchain.
---

Diagnose and fix the following errors. Use /debug if the root cause is unclear.

!`cargo check 2>&1 | head -80`

$ARGUMENTS
"#,
    )?;

    write_if_missing(
        &commands.join("todo.md"),
        r#"---
name: todo
description: Find and triage all TODO / FIXME / HACK / XXX comments in the codebase.
---

Find every TODO, FIXME, HACK, and XXX comment in the project.

For each: report file:line, full comment, priority (CRITICAL / IMPORTANT / LOW), and a one-line suggested fix.
Group by priority. Count total.

$ARGUMENTS
"#,
    )?;

    write_if_missing(
        &commands.join("pr.md"),
        r#"---
name: pr
description: Generate a pull request title and description from current branch changes.
skill: pr-review
---

Generate a complete pull request description for this branch.

Commits:
!`git log main...HEAD --oneline`

Diff stat:
!`git diff main...HEAD --stat`

$ARGUMENTS
"#,
    )?;

    write_if_missing(
        &commands.join("audit.md"),
        r#"---
name: audit
description: Run a security audit on the current working directory using the security agent.
agent: security
skill: review-code
---

Perform a security audit on this codebase.

Focus on: hardcoded secrets, injection vulnerabilities, insecure dependencies, auth issues, and misconfigurations.

Project files:
!`find . -name "*.rs" -o -name "*.ts" -o -name "*.py" -o -name "*.go" | grep -v target | grep -v node_modules | head -60`

$ARGUMENTS
"#,
    )?;

    write_if_missing(
        &commands.join("standup.md"),
        r#"---
name: standup
description: Generate a standup update (yesterday / today / blockers) from recent git activity.
---

Generate a standup update based on recent work.

Recent commits:
!`git log --oneline --since="2 days ago" --author="$(git config user.name)"`

Changed files:
!`git diff HEAD~3 --name-only 2>/dev/null || git diff HEAD~1 --name-only`

Format:
- **Yesterday**: what was completed
- **Today**: what is planned
- **Blockers**: anything blocking progress (if none, omit)

Keep it to 3-5 bullets total. Write in first person, past tense for yesterday.

$ARGUMENTS
"#,
    )?;

    // ══════════════════════════════════════════════════════════════════════════
    // SKILLS — Domain expansion (8 skills: cross-domain workflows)
    // ══════════════════════════════════════════════════════════════════════════

    write_if_missing(
        &skills.join("research").join("SKILL.md"),
        r#"---
name: research
description: Research a topic by gathering, synthesizing, and critically evaluating information from available sources, documents, or web content.
tags: research, information gathering, synthesis, sources, fact-finding, evidence
---

1. **Clarify scope**: confirm the research question, required depth, and output format.
2. **Gather sources**: read provided files/URLs, search web if permitted, or use available documents.
3. **Evaluate quality**: for each source note recency, authority, and potential bias.
4. **Synthesize findings**:
   - Group related findings by theme, not by source.
   - Note agreements, contradictions, and gaps across sources.
   - Distinguish established facts from opinions or projections.
5. **Produce output** (choose format from context):
   - **Quick answer**: 3-5 sentences with key facts.
   - **Research brief**: Background → Key Findings → Implications → Recommendations → Sources.
   - **Comparison table**: side-by-side comparison of options/approaches.
6. **Cite sources**: attach URL, title, or file reference for every factual claim.
7. **Flag uncertainty**: if evidence is thin or conflicting, say so explicitly.
"#,
    )?;

    write_if_missing(
        &skills.join("financial-model").join("SKILL.md"),
        r#"---
name: financial-model
description: Build or analyze financial models including P&L, cash flow, budget forecasts, unit economics, and valuation.
tags: finance, P&L, DCF, cash flow, valuation, budget, unit economics, financial
---

Identify the model type from context and proceed accordingly.

**P&L / Income Statement**
- Revenue: price × volume by segment; growth assumptions.
- COGS and gross margin.
- OpEx by category (S&M, R&D, G&A); headcount-driven costs.
- EBITDA, D&A, EBIT, tax, net income.

**Cash Flow**
- Start from net income. Add back non-cash items (D&A, SBC).
- Working capital changes (AR, AP, inventory).
- CapEx and investing activities.
- Financing (debt, equity, dividends).

**Budget Forecast**
- Baseline from historical actuals (last 2-3 periods).
- Growth drivers and assumptions (stated explicitly).
- Scenario analysis: base / bull / bear (±20% on key drivers).

**Unit Economics**
- CAC = total sales & marketing spend / new customers acquired.
- LTV = ARPU × gross margin × average customer lifetime.
- Payback period = CAC / (ARPU × gross margin).
- LTV:CAC target ≥ 3×.

**Valuation (DCF)**
- Project free cash flows for 5 years.
- Terminal value = FCF₅ × (1 + g) / (WACC − g).
- Discount at WACC. Sum PV of FCFs + terminal value.

Output: clearly labeled table or markdown with all assumptions stated. Flag any assumption that is uncertain or sensitive.
"#,
    )?;

    write_if_missing(
        &skills.join("competitive-analysis").join("SKILL.md"),
        r#"---
name: competitive-analysis
description: Analyze a market's competitive landscape, comparing players on key dimensions and identifying strategic positioning gaps.
tags: competitive, market analysis, competitor, positioning, comparison, SWOT
---

1. **Define the arena**: clarify the product category, geography, and customer segment.
2. **Identify competitors**: direct (same solution), indirect (alternative approaches), potential entrants.
3. **Research each competitor** using available sources (websites, press, job postings, reviews):
   - Founding year, funding/revenue if known, team size
   - Core product/service and differentiators
   - Pricing model and entry-level price point
   - Target customer and key use cases
   - Known strengths and weaknesses (from reviews, public feedback)
4. **Comparison matrix**: build a side-by-side table on the dimensions that matter most for this market (e.g. price, performance, integrations, support, geo coverage).
5. **Positioning map**: identify which 2 axes (e.g. price vs. functionality, speed vs. depth) best differentiate players and describe where each sits.
6. **Gap analysis**: where are under-served customer segments or unmet needs?
7. **Strategic implications**: what does this mean for positioning, pricing, or feature prioritization?
"#,
    )?;

    write_if_missing(
        &skills.join("user-story").join("SKILL.md"),
        r#"---
name: user-story
description: Write user stories with acceptance criteria, edge cases, and definition of done for a feature or requirement.
tags: user story, agile, requirements, acceptance criteria, Given When Then, product
---

For each feature or requirement, produce:

**User Story**
```
As a [specific user persona],
I want to [action / capability],
So that [benefit / outcome].
```

**Acceptance Criteria** (Given/When/Then format)
```
Given [precondition],
When [action],
Then [expected outcome].
```
Write 3-6 criteria covering the happy path and the most important edge cases.

**Edge Cases & Out of Scope**
- List inputs or conditions that are unusual but plausible.
- Explicitly state what is NOT included in this story.

**Definition of Done**
- [ ] Functionality implemented and manually tested
- [ ] Unit tests written and passing
- [ ] Acceptance criteria verified
- [ ] Reviewed by product owner
- [ ] Docs updated if user-facing

**Sizing hint** (optional): T-shirt size (XS/S/M/L/XL) with one-line rationale.
"#,
    )?;

    write_if_missing(
        &skills.join("seo-audit").join("SKILL.md"),
        r#"---
name: seo-audit
description: Audit a page or site for on-page SEO, technical issues, content gaps, and Core Web Vitals.
tags: SEO, search engine, Core Web Vitals, structured data, on-page, keyword, meta
---

Read the page HTML/source or accept the URL. Analyze:

**1. On-Page Fundamentals**
- Title tag: present, unique, 50-60 chars, target keyword near front?
- Meta description: present, 120-160 chars, includes CTA?
- H1: exactly one, contains primary keyword?
- H2-H6: logical hierarchy, keyword variations used?
- URL: short, readable, keyword in slug, no parameters?

**2. Content Quality**
- Primary keyword density (aim 1-2%, avoid stuffing).
- Related/semantic keywords present?
- Word count vs. top-ranking competitors for the query.
- Content freshness: publish/update date visible?
- Duplicate or thin content sections?

**3. Technical SEO**
- Canonical tag present and correct?
- robots meta: noindex/nofollow unintentionally set?
- Structured data (JSON-LD): type appropriate, required fields present?
- Image alt text: descriptive, not keyword-stuffed?
- Internal links: 3-5 contextual links to related pages?
- Mobile-friendly: viewport meta present?

**4. Core Web Vitals** (if Lighthouse data available)
- LCP, FID/INP, CLS scores and targets.

**Output**: prioritized issues table (HIGH / MEDIUM / LOW) with specific fixes.
"#,
    )?;

    write_if_missing(
        &skills.join("contract-review").join("SKILL.md"),
        r#"---
name: contract-review
description: Review a contract or legal document for risky clauses, missing protections, and key obligations. For informational purposes only — not legal advice.
tags: contract, legal, NDA, IP, liability, clause, compliance, risk, termination
---

Read the contract text provided. Analyze systematically:

**1. Parties & Scope**
- Are all parties clearly identified with legal names?
- Is the scope of work/service precisely defined? Ambiguous scope = risk.

**2. Payment & Financial Terms**
- Payment schedule, amounts, currency, and late payment penalties.
- Expense reimbursement limits.
- Price adjustment or renegotiation clauses.

**3. Term & Termination**
- Contract duration and renewal (auto-renewal risk?).
- Termination for cause vs. convenience. Notice period required?
- Consequences of early termination (penalties, IP reversion).

**4. Intellectual Property**
- Who owns work product created under this agreement?
- IP assignment vs. license. Moral rights waived?
- Pre-existing IP carved out?

**5. Liability & Indemnification**
- Liability cap (typical: 1-12 months of fees). Is it mutual?
- Indemnification: who indemnifies whom, for what?
- Exclusions from liability (consequential, indirect damages).

**6. Confidentiality**
- NDA terms: duration, definition of confidential info, permitted disclosures.
- Survival period post-termination.

**7. Governing Law & Disputes**
- Jurisdiction and governing law — favorable?
- Dispute resolution: litigation, arbitration, mediation?

**Output**: table of flagged clauses with risk level (HIGH / MEDIUM / LOW), specific concern, and suggested revision.
⚠️ This analysis is informational only. Consult a licensed attorney before signing.
"#,
    )?;

    write_if_missing(
        &skills.join("report-gen").join("SKILL.md"),
        r#"---
name: report-gen
description: Generate a structured professional report (executive summary, findings, recommendations) from raw data, notes, or analysis results.
tags: report, executive summary, board, structured, professional, findings, recommendations
---

Accept input (data, analysis, notes, bullet points). Determine report type from context.

**Standard Report Structure**
1. **Executive Summary** (max 200 words): situation, key finding, primary recommendation.
2. **Background / Context**: why this report exists, scope, methodology, data sources.
3. **Findings**: numbered, each with supporting evidence. Separate facts from interpretation.
4. **Analysis**: patterns, root causes, comparisons, risks.
5. **Recommendations**: prioritized list. Each recommendation: action → expected outcome → owner → timeline.
6. **Appendix** (if needed): raw data, methodology details, glossary.

**Format rules**
- Use consistent heading hierarchy (H1 → H2 → H3).
- Tables for comparisons; bullet lists for enumeration (max 7 items).
- Lead sentences carry the conclusion, then supporting detail.
- No jargon without definition. Spell out acronyms on first use.
- Length: proportional to complexity. 1 A4 page per major section max.

**Adapt tone** to audience: C-suite (concise, strategic), technical team (detailed, precise), general (plain language, analogies).
"#,
    )?;

    write_if_missing(
        &skills.join("workflow-plan").join("SKILL.md"),
        r#"---
name: workflow-plan
description: Decompose a complex multi-step problem into an ordered workflow with assigned agents, inputs, outputs, and success criteria for each step.
tags: workflow, planning, step-by-step, decomposition, agent assignment, phases
---

1. **Understand the goal**: restate the end objective in one sentence. Confirm with user if ambiguous.
2. **Identify constraints**: deadline, budget, available tools, team skills, dependencies.
3. **Decompose into phases**:
   - Each phase should be independently completable and produce a tangible output.
   - 3-7 phases typical; more = over-engineering.
4. **For each phase**, define:
   | Field | Content |
   |-------|---------|
   | Name | Short verb phrase ("Analyze competitors") |
   | Agent | Best-suited agent (analyst / code / finance / etc.) |
   | Input | What it needs to start |
   | Output | Deliverable it produces |
   | Tools / Skills | Which skills to invoke |
   | Success criteria | How to know it's done |
   | Depends on | Phase(s) that must complete first |
5. **Draw the dependency graph** in ASCII or mermaid if phases have complex dependencies.
6. **Flag risks**: which phase is most uncertain? What could block the workflow?
7. **Quick-start**: recommend the first concrete action to take right now.
"#,
    )?;

    // ══════════════════════════════════════════════════════════════════════════
    // AGENTS — Domain expansion (9 agents: finance, legal, marketer, researcher,
    //          teacher, pm, ecommerce, hr, strategist)
    // ══════════════════════════════════════════════════════════════════════════

    write_if_missing(
        &agents.join("finance.md"),
        r#"---
name: finance
tier: heavy
description: Financial analyst and CFO advisor. Financial modeling, P&L analysis, budget forecasting, valuation, and investment evaluation.
soul: true
tags: finance, P&L, DCF, cash flow, valuation, budget, unit economics, IRR, NPV, forecasting
---

You are a senior financial analyst and strategic finance advisor.

## Expertise
- Financial statements: P&L, balance sheet, cash flow statement — construction and interpretation
- Budgeting & forecasting: zero-based, driver-based, rolling forecasts
- Valuation: DCF, comparable company analysis, precedent transactions, LBO basics
- Unit economics: CAC, LTV, payback period, contribution margin, burn rate
- Financial metrics: EBITDA, ROCE, working capital, free cash flow
- Investment analysis: IRR, NPV, scenario analysis, sensitivity tables
- FP&A: variance analysis, actuals vs. budget, reforecast

## Behavior
- State all assumptions explicitly. No black-box numbers.
- Produce scenario analysis (base / bull / bear) for any forecast.
- Flag metrics that are lagging indicators vs. leading indicators.
- Translate financial findings into plain-language business implications.
- When data is incomplete, state what is assumed and why.

## Skills — use proactively
- /financial-model — for any modeling, forecasting, or valuation task
- /data-analyze — to profile raw financial data before modeling
- /report-gen — to produce investor-ready or board-ready summaries
- /summarize — to digest financial documents, reports, or earnings calls
"#,
    )?;

    write_if_missing(
        &agents.join("legal.md"),
        r#"---
name: legal
tier: heavy
description: Legal analyst for contract review, compliance checks, regulatory research, and risk identification. Informational only — not a licensed attorney.
soul: true
tags: legal, contract, NDA, compliance, GDPR, IP, liability, regulatory, risk
---

You are a legal analyst with expertise in commercial law, technology regulations, and compliance.

## Expertise
- Contract analysis: SaaS agreements, NDAs, employment contracts, vendor MSAs, IP assignments
- Regulatory compliance: GDPR, CCPA, SOC 2, HIPAA basics, PCI-DSS, AML/KYC
- Corporate law: entity formation, cap table, equity agreements, shareholder rights
- IP law: copyright, trademark, patent basics, open-source license compatibility
- Employment law: offer letters, non-competes, IP assignment, severance
- Dispute risk: identifying clauses likely to cause disputes

## Behavior
- Identify risks clearly. State severity: HIGH (deal-breaker), MEDIUM (negotiate), LOW (note).
- Suggest specific alternative language for problematic clauses.
- Distinguish between legal risk and business risk.
- Always add: "This is informational analysis, not legal advice. Consult a licensed attorney."
- Do not fabricate case law or statutes — say "I'm not certain" when unsure.

## Skills — use proactively
- /contract-review — for any document that contains legal obligations
- /research — to look up regulatory requirements or precedents
- /report-gen — to produce compliance summaries or legal risk memos
- /summarize — to distill long legal documents quickly
"#,
    )?;

    write_if_missing(
        &agents.join("marketer.md"),
        r#"---
name: marketer
tier: medium
description: Growth marketer and brand strategist. Copywriting, campaign planning, SEO, positioning, and go-to-market strategy.
soul: true
tags: marketing, SEO, copywriting, GTM, campaign, positioning, brand, growth, content
---

You are a full-stack marketer combining creative and analytical skills.

## Expertise
- Copywriting: landing pages, ad copy, email campaigns, product descriptions
- Content marketing: blog strategy, SEO content briefs, thought leadership
- SEO: keyword research, on-page optimization, content gap analysis
- Paid acquisition: Google Ads, Meta Ads — creative and targeting strategy
- Email marketing: drip sequences, segmentation, A/B testing subject lines
- Brand & positioning: value proposition, ICP definition, messaging framework
- Go-to-market: launch plans, channel strategy, launch metrics

## Behavior
- Lead with the customer benefit, not product features.
- Be specific: "increase conversions by 15%" not "improve results".
- Write copy that sounds human, not corporate.
- Back creative recommendations with data or rationale.
- Adapt tone to brand voice: if no brief provided, ask before writing.

## Skills — use proactively
- /seo-audit — for all content and landing page work
- /competitive-analysis — when positioning or GTM planning
- /draft — for campaign copy, email sequences, and announcements
- /data-analyze — to interpret campaign performance data
- /report-gen — for marketing performance reports
"#,
    )?;

    write_if_missing(
        &agents.join("researcher.md"),
        r#"---
name: researcher
tier: heavy
description: Research specialist for literature reviews, hypothesis testing, evidence synthesis, and academic or professional research papers.
soul: true
tags: academic-research, literature-review, evidence-synthesis, scholarly, hypothesis, citation, primary-research
---

You are a rigorous researcher trained in systematic review and evidence-based reasoning.

## Expertise
- Literature review: search strategy, inclusion/exclusion criteria, citation management
- Research design: hypothesis formation, methodology selection, bias identification
- Evidence evaluation: study quality, statistical significance, effect sizes, replication
- Academic writing: IMRaD structure, abstract writing, citation formatting (APA, MLA, Chicago)
- Primary research: survey design, interview guides, qualitative coding
- Scientific domains: comfortable in computer science, business, social science, life science basics

## Behavior
- Distinguish between correlation and causation. Always.
- Grade evidence quality: meta-analysis > RCT > observational > expert opinion > anecdote.
- State confidence levels. "The evidence strongly suggests..." vs. "There are preliminary indications..."
- Never fabricate citations. If you cannot verify a source, say so.
- Structure arguments deductively: claim → evidence → warrant → qualifier.

## Skills — use proactively
- /research — for gathering and synthesizing information
- /summarize — to condense source material into usable briefs
- /report-gen — to structure findings into publishable or shareable format
- /translate — when working with non-English sources
"#,
    )?;

    write_if_missing(
        &agents.join("teacher.md"),
        r#"---
name: teacher
tier: medium
description: Tutor and learning coach. Explains concepts, creates study plans, solves problems step-by-step, and adapts to any subject or skill level.
soul: true
tags: teaching, tutoring, explanation, learning, STEM, pedagogy, concept, education
---

You are a patient, skilled tutor who adapts to any subject and learning style.

## Expertise
- STEM: mathematics (algebra → calculus → linear algebra → statistics), physics, chemistry, CS
- Languages: grammar, vocabulary, writing skills, conversation practice
- Business subjects: economics, accounting, marketing, management
- Exam prep: SAT, GRE, GMAT, TOEFL, professional certifications
- Pedagogy: Socratic method, spaced repetition, worked examples, analogies

## Behavior
- Diagnose before teaching: ask what the student already knows and where they're stuck.
- Use worked examples first, then ask the student to try a similar problem.
- Explain the "why" behind every rule or formula, not just the procedure.
- Use analogies to bridge unfamiliar concepts to familiar ones.
- Give feedback that is specific ("your answer skipped the chain rule on line 3") not vague ("wrong").
- Celebrate progress. Learning is non-linear.

## Skills — use proactively
- /explain — for deep concept walkthroughs
- /summarize — to create study guides from long texts
- /draft — to help students structure essays and papers
- /research — when building a comprehensive study plan on a new topic
"#,
    )?;

    write_if_missing(
        &agents.join("pm.md"),
        r#"---
name: pm
tier: medium
description: Product manager. Feature prioritization, roadmap planning, OKR setting, user story writing, and product strategy.
soul: true
tags: product management, roadmap, OKR, prioritization, user story, agile, sprint, stakeholder
---

You are a senior product manager focused on outcomes over output.

## Expertise
- Discovery: user interviews, jobs-to-be-done, problem framing, opportunity sizing
- Strategy: vision → strategy → roadmap → OKRs → metrics alignment
- Prioritization: RICE, ICE, MoSCoW, opportunity scoring, dependency mapping
- Specification: PRDs, user stories, acceptance criteria, edge case documentation
- Execution: sprint planning, backlog grooming, stakeholder alignment, release planning
- Metrics: defining north star metric, input metrics, guardrail metrics, dashboards

## Behavior
- Start with the problem, not the solution.
- Challenge feature requests: "What outcome are we trying to achieve?"
- Make trade-offs explicit. Every yes is a no to something else.
- Write specs precise enough for engineers to build without follow-up questions.
- Push back on scope creep while staying empathetic to stakeholders.

## Skills — use proactively
- /user-story — for writing requirements and acceptance criteria
- /competitive-analysis — before building new features or entering new areas
- /workflow-plan — to map out complex multi-team initiatives
- /report-gen — for quarterly roadmap reviews and exec updates
- /data-analyze — to interpret product metrics and user research data
"#,
    )?;

    write_if_missing(
        &agents.join("ecommerce.md"),
        r#"---
name: ecommerce
tier: medium
description: E-commerce operator and growth specialist. Product catalog, conversion optimization, pricing, inventory, customer journey, and marketplace operations.
soul: true
tags: ecommerce, conversion, pricing, Shopify, marketplace, inventory, catalog, funnel, ROAS
---

You are an e-commerce operator with end-to-end experience running online stores.

## Expertise
- Platforms: Shopify, WooCommerce, Cafe24, Coupang, Amazon Seller Central basics
- Product: catalog management, taxonomy, product copy, image guidelines
- Conversion: checkout flow, cart abandonment, landing page optimization, A/B testing
- Pricing: dynamic pricing, bundle strategies, discount mechanics, margin protection
- Inventory: demand forecasting, reorder points, stockout vs. overstock trade-offs
- Customer experience: review management, CS templates, return policy optimization
- Marketing: Google Shopping, Meta dynamic ads, email flows (welcome, winback, post-purchase)
- Analytics: funnel analysis, cohort retention, ROAS, contribution margin per SKU

## Behavior
- Ground every recommendation in unit economics (margin, AOV, LTV).
- Identify the highest-leverage intervention for the current stage of the business.
- Test before scaling: recommend A/B tests for any copy or UX change.
- Flag inventory and margin risks proactively.

## Skills — use proactively
- /data-analyze — for sales data, funnel metrics, and cohort analysis
- /seo-audit — for product page and category page optimization
- /draft — for product descriptions, email campaigns, and CS templates
- /competitive-analysis — for pricing and positioning research
- /report-gen — for weekly/monthly performance reports
"#,
    )?;

    write_if_missing(
        &agents.join("hr.md"),
        r#"---
name: hr
tier: medium
description: HR business partner and talent specialist. Recruiting, job descriptions, onboarding, performance management, compensation, and people operations.
soul: true
tags: HR, recruiting, hiring, onboarding, performance, compensation, people ops, culture, talent
---

You are an experienced HR professional and talent strategist.

## Expertise
- Recruiting: job description writing, sourcing strategy, interview design, offer negotiation
- Onboarding: 30/60/90-day plans, checklist creation, culture integration
- Performance: review frameworks, OKR calibration, PIP process, feedback training
- Compensation: salary benchmarking, equity structure basics, total compensation philosophy
- People ops: policy writing, employee handbook, engagement surveys, exit interviews
- Culture: values definition, team rituals, recognition programs, inclusion practices
- Employment law basics: at-will employment, protected classes, leave policies (US/global awareness)

## Behavior
- Balance company needs and employee interests — sustainable HR builds both.
- Write job descriptions that attract, not just describe — lead with mission and impact.
- Give feedback frameworks that are specific, behavioral, and developmentally focused.
- Flag legal risk areas (e.g. non-compete enforceability, misclassification) without giving legal advice.
- Treat sensitive people matters with discretion and empathy.

## Skills — use proactively
- /draft — for JDs, offer letters, policies, and HR communications
- /user-story — adapted for creating structured interview scorecards
- /report-gen — for headcount planning and people analytics reports
- /data-analyze — for engagement survey results and attrition analysis
- /workflow-plan — for designing onboarding or performance review processes
"#,
    )?;

    write_if_missing(
        &agents.join("strategist.md"),
        r#"---
name: strategist
tier: heavy
description: Business strategist and management consultant. Competitive strategy, business model design, market entry, growth planning, and executive decision support.
soul: true
tags: strategy, competitive, business model, market entry, growth, SWOT, consulting, executive, M&A
---

You are a management consultant with experience in strategy, M&A, and organizational design.

## Expertise
- Competitive strategy: Porter's Five Forces, value chain analysis, competitive moats
- Business models: revenue model design, ecosystem strategy, platform vs. pipeline
- Market analysis: TAM/SAM/SOM, market sizing, segmentation, trend analysis
- Growth strategy: organic growth levers, M&A rationale, geographic expansion
- Organizational design: structure, governance, decision rights, culture alignment
- Frameworks: SWOT, MECE, Ansoff matrix, BCG matrix, McKinsey 7-S, Jobs-to-be-Done

## Behavior
- Use frameworks as thinking tools, not templates to fill in blindly.
- Every recommendation must answer: "Compared to what alternative?"
- Be direct about trade-offs. Avoid consultant vagueness ("it depends").
- Structure arguments with MECE logic: collectively exhaustive, mutually exclusive.
- Ask "so what?" repeatedly until you reach actionable implications.

## Skills — use proactively
- /competitive-analysis — for market and competitor assessment
- /research — for market data, industry reports, and trend research
- /financial-model — when strategy has quantifiable business impact
- /workflow-plan — to translate strategy into execution roadmap
- /report-gen — for board decks, strategy memos, and investment theses
"#,
    )?;

    // ══════════════════════════════════════════════════════════════════════════
    // COMMANDS — Cross-domain workflow templates (6 multi-agent workflows)
    // ══════════════════════════════════════════════════════════════════════════

    write_if_missing(
        &commands.join("market-entry.md"),
        r#"---
name: market-entry
description: Analyze a new market opportunity end-to-end: size, competition, entry strategy, and financial viability.
agent: strategist
---

Produce a market entry analysis for: $ARGUMENTS

Structure the analysis as:
1. Market overview (size, growth rate, key segments)
2. Competitive landscape (top 5 players, their positioning)
3. Customer needs & jobs-to-be-done (who buys, why, and what they hate about current solutions)
4. Entry options (organic build, acquire, partner) with trade-offs
5. Recommended entry strategy with rationale
6. Key risks and mitigation
7. Go/no-go recommendation with 3 conditions that must be true

Use /research to gather market data.
Use /competitive-analysis for competitor deep-dive.
Use /financial-model if a financial case is needed.
"#,
    )?;

    write_if_missing(
        &commands.join("product-launch.md"),
        r#"---
name: product-launch
description: Build a complete product launch plan covering GTM strategy, messaging, channels, timeline, and success metrics.
agent: pm
---

Create a comprehensive product launch plan for: $ARGUMENTS

Deliverables:
1. **Positioning & messaging** — ICP, value proposition, key messages per persona
2. **Launch tiers** — soft launch, beta, GA (criteria to move between tiers)
3. **Channel plan** — which channels, what content, what budget allocation
4. **Launch timeline** — T-minus checklist (T-30, T-14, T-7, T-0, T+7, T+30)
5. **Success metrics** — primary KPI, secondary KPIs, guardrails
6. **Risk register** — top 5 risks with mitigation plans

Use /competitive-analysis for positioning context.
Use /user-story for any feature requirements surfaced.
Use /draft for launch copy, email announcements, and press release.
"#,
    )?;

    write_if_missing(
        &commands.join("due-diligence.md"),
        r#"---
name: due-diligence
description: Run a due diligence review on a company, investment, or partnership covering financial, legal, technical, and commercial dimensions.
agent: finance
---

Conduct a due diligence review for: $ARGUMENTS

Cover all relevant dimensions:

**Financial DD**
- Revenue quality, growth trends, customer concentration
- Unit economics, burn rate, runway
- Cap table, debt obligations, contingent liabilities

**Legal DD**
- Corporate structure and ownership
- Key contracts and obligations
- IP ownership, open-source exposure
- Litigation history and pending disputes
- Regulatory compliance status

**Commercial DD**
- Market position and competitive dynamics
- Customer satisfaction and churn
- Key person dependencies
- Partnership and distribution agreements

**Technical DD** (if software company)
- Tech stack, architecture quality, technical debt
- Security posture, data handling practices

Use /financial-model for any valuation or financial projection work.
Use /contract-review on key agreements surfaced.
Use /report-gen to compile findings into a DD memo.
"#,
    )?;

    write_if_missing(
        &commands.join("campaign.md"),
        r#"---
name: campaign
description: Plan and create a complete marketing campaign including strategy, copy, creative briefs, and measurement framework.
agent: marketer
---

Design a marketing campaign for: $ARGUMENTS

Produce:
1. **Campaign brief** — objective, target audience, key message, tone, budget range
2. **Channel mix** — recommended channels with rationale and budget allocation %
3. **Creative concepts** — 2-3 campaign concepts with headline, hook, and visual direction
4. **Copy deliverables** — write the assets for the recommended primary channel:
   - Email subject line + preview + body (3 versions for A/B testing)
   - Social ad copy (3 variants per platform)
   - Landing page headline + subhead + CTA
5. **Measurement plan** — primary metric, secondary metrics, reporting cadence
6. **Timeline** — production, review, launch, and optimization milestones

Use /competitive-analysis to check competitor messaging.
Use /seo-audit if landing pages are part of the campaign.
Use /data-analyze to interpret campaign performance after launch.
"#,
    )?;

    write_if_missing(
        &commands.join("academic-paper.md"),
        r#"---
name: academic-paper
description: Write or substantially assist with an academic paper — from research question to final draft — following scholarly conventions.
agent: researcher
---

Work on the following academic paper: $ARGUMENTS

Follow this workflow:
1. **Research question** — sharpen into a specific, testable, and novel question
2. **Literature review** — identify key papers, theories, and gaps (use /research)
3. **Methodology** — select appropriate research design and justify it
4. **Outline** — IMRaD or discipline-appropriate structure
5. **Draft sections** in order:
   - Abstract (last, after full draft)
   - Introduction (problem, gap, contribution, roadmap)
   - Literature Review / Background
   - Methodology
   - Results / Findings
   - Discussion (interpret, compare to literature, limitations)
   - Conclusion (contributions, implications, future work)
   - References (cite accurately; flag any uncertain citations)
6. **Review pass** — check argument flow, citation coverage, consistency

Use /translate if source materials are in another language.
Use /summarize to condense lengthy sources into usable briefs.
"#,
    )?;

    write_if_missing(
        &commands.join("quarterly-review.md"),
        r#"---
name: quarterly-review
description: Compile a quarterly business review covering performance vs. goals, key learnings, and next-quarter priorities.
agent: analyst
---

Prepare a quarterly business review for: $ARGUMENTS

Structure:
1. **Executive summary** — 3 bullets: biggest win, biggest miss, top priority next quarter
2. **OKR / goal scorecard** — each objective: target, actual, % attainment, RAG status
3. **Key metrics dashboard** — top 5-8 business metrics with trend (↑↓→) vs. prior quarter
4. **What worked** — 3-5 initiatives that drove results; why they worked
5. **What didn't** — honest assessment of misses; root cause, not excuses
6. **Key learnings** — insights that change how we operate going forward
7. **Next quarter priorities** — top 3 initiatives with owners, metrics, and resource needs
8. **Risks & dependencies** — what could derail next quarter

Use /data-analyze for any raw metrics or data files provided.
Use /financial-model if financial projections are needed.
Use /report-gen to format final output for exec or board presentation.
"#,
    )?;

    Ok(())
}

/// Write content to a file only if it doesn't already exist.
/// Creates parent directories as needed.
pub(crate) fn write_if_missing(path: &Path, content: &str) -> Result<()> {
    if path.exists() {
        return Ok(());
    }
    if let Some(parent) = path.parent() {
        std::fs::create_dir_all(parent).map_err(|e| {
            AgentError::Config(format!(
                "Failed to create dir: {} - {}",
                parent.display(),
                e
            ))
        })?;
    }
    std::fs::write(path, content)
        .map_err(|e| AgentError::Config(format!("Failed to write: {} - {}", path.display(), e)))?;
    Ok(())
}

/// Write config file back.
/// Write config file (public for remote CLI subcommands).
pub fn write_config_public(path: &Path, cf: &ConfigFile) -> Result<()> {
    write_config(path, cf)
}

/// Save secrets from `cf` to `.secrets` without touching config.toml.
/// Used by subcommands (e.g. `remote add`) that handle config patching separately.
pub fn save_config_secrets(cf: &ConfigFile) -> Result<()> {
    let mut secrets = load_secrets();
    let machine_id = load_secrets().machine_id;
    let extracted = extract_secrets(cf, machine_id);
    if extracted.api.api_key_enc.is_some() {
        secrets.api = extracted.api;
    }
    for ep in &extracted.providers {
        if let Some(sp) = secrets.providers.iter_mut().find(|p| p.name == ep.name) {
            if ep.api_key_enc.is_some() {
                sp.api_key_enc = ep.api_key_enc.clone();
            }
        } else if ep.api_key_enc.is_some() {
            secrets.providers.push(ep.clone());
        }
    }
    // Remove orphaned secrets entries for providers no longer in config
    let active_names: std::collections::HashSet<&str> =
        cf.providers.iter().map(|p| p.name.as_str()).collect();
    secrets
        .providers
        .retain(|sp| active_names.contains(sp.name.as_str()));
    if extracted.web.password_enc.is_some() {
        secrets.web = extracted.web;
    }
    if extracted.telegram.token_enc.is_some() {
        secrets.telegram = extracted.telegram;
    }
    if extracted.slack.bot_token_enc.is_some() || extracted.slack.app_token_enc.is_some() {
        secrets.slack = extracted.slack;
    }
    if extracted.discord.token_enc.is_some() {
        secrets.discord = extracted.discord;
    }
    let _ = save_secrets(&secrets);
    update_gitignore_for_secrets();
    Ok(())
}

/// Surgically update specific key=value pairs in config.toml.
/// Preserves all comments, blank lines, and formatting.
/// Each patch is `(section, key, toml_value_string)` where value is already TOML-encoded
/// (e.g. `"true"`, `r#""my-string""#`, `"[1, 2, 3]"`).
///
/// Behaviour per entry:
///  - Section exists + key found   → replace the value on that line
///  - Section exists + key absent  → append key at the end of that section
///  - Section absent               → append `[section]\nkey = value` at end of file
pub fn patch_config_toml(path: &Path, patches: &[(&str, &str, &str)]) -> Result<()> {
    let content = if path.exists() {
        std::fs::read_to_string(path).map_err(|e| AgentError::Config(format!("Read error: {e}")))?
    } else {
        String::new()
    };
    let out = apply_toml_patches(&content, patches);
    std::fs::write(path, out).map_err(|e| AgentError::Config(format!("Write error: {e}")))?;
    Ok(())
}

/// Extract a TOML section by name from `content` and re-append it at the end.
///
/// Finds the block starting at `[section_name]` and ending just before the next
/// `[` header (or end of string), removes it in-place, and appends it after a
/// trailing newline. Returns `content` unchanged if the section is not found or
/// is already the last section.
fn move_section_to_end(content: &str, section_name: &str) -> String {
    let header = format!("[{section_name}]");
    // Find the line that starts the section (exact match — not [[…]]).
    let Some(sec_start) = content
        .lines()
        .enumerate()
        .find(|(_, line)| {
            let t = line.trim();
            t == header
        })
        .map(|(idx, _)| idx)
    else {
        return content.to_string();
    };

    let lines: Vec<&str> = content.lines().collect();

    // Find where the section ends: the next `[` header of any kind, EXCEPT
    // `[[section_name.child]]` sub-array-of-tables that belong to this section.
    let owned_aot = format!("[[{section_name}.");
    let sec_end = lines[sec_start + 1..]
        .iter()
        .enumerate()
        .find(|(_, line)| {
            let t = line.trim();
            t.starts_with('[') && !t.starts_with(&owned_aot)
        })
        .map(|(rel, _)| sec_start + 1 + rel)
        .unwrap_or(lines.len());

    // If already at the end (no non-blank lines after sec_end), nothing to do.
    let has_content_after = lines[sec_end..].iter().any(|l| !l.trim().is_empty());
    if !has_content_after {
        return content.to_string();
    }

    // Collect the section block (strip leading blank lines, keep the rest).
    let block: Vec<&str> = lines[sec_start..sec_end]
        .iter()
        .copied()
        .skip_while(|l| l.trim().is_empty())
        .collect();

    // Build output: everything except the section block, then the block at end.
    let mut before: Vec<&str> = lines[..sec_start].to_vec();
    // Remove trailing blank lines that were "owned" by the section.
    while before
        .last()
        .map(|l: &&str| l.trim().is_empty())
        .unwrap_or(false)
    {
        before.pop();
    }
    let after: Vec<&str> = lines[sec_end..].to_vec();

    let mut out = before.join("\n");
    if !out.is_empty() {
        out.push('\n');
    }
    out.push_str(&after.join("\n"));
    // Trim trailing whitespace then append the section.
    let trimmed = out.trim_end_matches('\n');
    let mut result = trimmed.to_string();
    result.push('\n');
    result.push('\n');
    result.push_str(&block.join("\n"));
    // Ensure file ends with a newline.
    if !result.ends_with('\n') {
        result.push('\n');
    }
    result
}

/// Merge `new_toml` into `original`, preserving comments and unknown sections.
///
/// For every top-level key in `new_toml`, the corresponding entry in the
/// original document is replaced with the new value while restoring the
/// original entry's leading decor (comments/whitespace before the header).
/// Keys that exist only in the original are left untouched.
///
/// Falls back to returning `new_toml` as-is if either document fails to parse.
#[cfg(test)]
pub(crate) fn merge_config_into_original(original: &str, new_toml: &str) -> String {
    use toml_edit::DocumentMut;

    let Ok(mut orig_doc) = original.parse::<DocumentMut>() else {
        return new_toml.to_string();
    };
    let Ok(new_doc) = new_toml.parse::<DocumentMut>() else {
        return new_toml.to_string();
    };

    for (key, new_item) in new_doc.iter() {
        // Only update keys already present in the original document.
        // This prevents new sections (e.g. [evolution]) from being injected
        // into an existing config when the user runs `collet provider add`.
        // Exception: [[providers]] must always be updated because it is
        // the whole point of `provider add/remove/use`.
        let exists_in_original = orig_doc.contains_key(key);
        if !exists_in_original && key != "providers" {
            continue;
        }

        // Capture the leading decor (comments before the section header) so
        // we can restore it after the section is replaced.
        let saved_prefix: Option<String> = orig_doc
            .get(key)
            .and_then(|item| item.as_table())
            .and_then(|t| t.decor().prefix())
            .and_then(|r| r.as_str())
            .map(|s| s.to_string());

        orig_doc.insert(key, new_item.clone());

        if let Some(pfx) = saved_prefix
            && let Some(item) = orig_doc.get_mut(key)
            && let Some(t) = item.as_table_mut()
        {
            t.decor_mut().set_prefix(pfx);
        }
    }

    // Move [telemetry] to the end of the document via string manipulation.
    // toml_edit preserves insertion order, so remove/re-insert doesn't reorder.
    // Instead we splice the rendered string: strip the [telemetry] block from
    // wherever it sits and append it after the last line.
    let raw = orig_doc.to_string();
    move_section_to_end(&raw, "telemetry")
}

pub(crate) fn apply_toml_patches(content: &str, patches: &[(&str, &str, &str)]) -> String {
    // Build owned section→key→value map for O(1) lookup while iterating.
    let mut pending: std::collections::HashMap<String, std::collections::HashMap<String, String>> =
        std::collections::HashMap::new();
    // Also preserve insertion order for appending new sections.
    let mut section_order: Vec<String> = Vec::new();
    for &(sec, key, val) in patches {
        let e = pending.entry(sec.to_string()).or_insert_with(|| {
            section_order.push(sec.to_string());
            std::collections::HashMap::new()
        });
        e.insert(key.to_string(), val.to_string());
    }

    let mut applied: std::collections::HashMap<String, std::collections::HashSet<String>> =
        std::collections::HashMap::new();

    let mut result = String::new();
    // cur_section: None = preamble or inside a [[array-table]]; Some(s) = inside [s].
    let mut cur_section: Option<String> = None;

    let flush_pending = |cur: &Option<String>,
                         result: &mut String,
                         pending: &std::collections::HashMap<
        String,
        std::collections::HashMap<String, String>,
    >,
                         applied: &mut std::collections::HashMap<
        String,
        std::collections::HashSet<String>,
    >| {
        if let Some(sec) = cur
            && let Some(kv) = pending.get(sec)
        {
            let done = applied.entry(sec.clone()).or_default();
            for (k, v) in kv {
                if !done.contains(k) {
                    result.push_str(&format!("{k} = {v}\n"));
                    done.insert(k.clone());
                }
            }
        }
    };

    for line in content.lines() {
        let trimmed = line.trim();

        if trimmed.starts_with("[[") {
            // Array-of-tables header — flush pending for current section, then go opaque.
            flush_pending(&cur_section, &mut result, &pending, &mut applied);
            cur_section = None;
            result.push_str(line);
            result.push('\n');
        } else if trimmed.starts_with('[') && trimmed.ends_with(']') && !trimmed.starts_with("[[") {
            // Simple section header.
            flush_pending(&cur_section, &mut result, &pending, &mut applied);
            let sec_name = trimmed[1..trimmed.len() - 1].trim().to_string();
            cur_section = Some(sec_name);
            result.push_str(line);
            result.push('\n');
        } else if let Some(ref sec) = cur_section {
            // Regular line inside a patchable section — check for key match.
            if let Some(kv) = pending.get(sec) {
                let mut replaced = false;
                for (k, v) in kv {
                    let t = trimmed;
                    if t.starts_with(k.as_str()) {
                        let after = t[k.len()..].trim_start();
                        if after.starts_with('=') {
                            result.push_str(&format!("{k} = {v}\n"));
                            applied.entry(sec.clone()).or_default().insert(k.clone());
                            replaced = true;
                            break;
                        }
                    }
                }
                if !replaced {
                    result.push_str(line);
                    result.push('\n');
                }
            } else {
                result.push_str(line);
                result.push('\n');
            }
        } else {
            result.push_str(line);
            result.push('\n');
        }
    }

    // Flush pending for the last section.
    flush_pending(&cur_section, &mut result, &pending, &mut applied);

    // Append any entirely-new sections.
    for sec in &section_order {
        if let Some(kv) = pending.get(sec) {
            let done = applied.get(sec);
            let missing: Vec<_> = kv
                .iter()
                .filter(|(k, _)| done.is_none_or(|d| !d.contains(*k)))
                .collect();
            if !missing.is_empty() {
                result.push('\n');
                result.push_str(&format!("[{sec}]\n"));
                for (k, v) in &missing {
                    result.push_str(&format!("{k} = {v}\n"));
                }
            }
        }
    }

    result
}

// ── toml_edit surgical-write helpers ─────────────────────────────────────────

/// Convert a `toml::Value` scalar/array/inline-table to a `toml_edit::Value`.
/// Returns `None` for `Datetime` (not representable without special syntax).
fn tv_to_edit(v: &toml::Value) -> Option<toml_edit::Value> {
    Some(match v {
        toml::Value::String(s) => s.as_str().into(),
        toml::Value::Integer(i) => (*i).into(),
        toml::Value::Float(f) => (*f).into(),
        toml::Value::Boolean(b) => (*b).into(),
        toml::Value::Array(a) => {
            let mut arr = toml_edit::Array::new();
            for item in a {
                if let Some(ev) = tv_to_edit(item) {
                    arr.push(ev);
                }
            }
            toml_edit::Value::Array(arr)
        }
        toml::Value::Table(t) => {
            let mut it = toml_edit::InlineTable::new();
            for (k, v) in t {
                if let Some(ev) = tv_to_edit(v) {
                    it.insert(k, ev);
                }
            }
            toml_edit::Value::InlineTable(it)
        }
        toml::Value::Datetime(_) => return None,
    })
}

/// Recursively write key-value pairs from a `toml::Value::Table` into a
/// `toml_edit::Table`.
///
/// Rules:
/// - Only touches keys that **already exist** in `dst` — never injects new keys.
/// - Updates the value *in-place* (`*val_ref = ev`) so inline decoration
///   (comments, spacing) on existing entries is preserved.
/// - Skips float updates when the new and old values differ only by f32/f64
///   representation noise (e.g. 0.8 → 0.800000011920929).
fn apply_tv_table(dst: &mut toml_edit::Table, src: &toml::Table) {
    for (k, v) in src {
        if !dst.contains_key(k.as_str()) {
            continue; // never add keys absent from the original
        }
        match v {
            toml::Value::Table(sub) => {
                if let Some(sub_t) = dst.get_mut(k.as_str()).and_then(|i| i.as_table_mut()) {
                    apply_tv_table(sub_t, sub);
                }
            }
            _ => {
                let Some(ev) = tv_to_edit(v) else { continue };
                let Some(existing) = dst.get_mut(k.as_str()) else {
                    continue;
                };
                let Some(val_ref) = existing.as_value_mut() else {
                    continue;
                };
                // Skip float updates that are pure f32→f64 precision noise.
                if let (toml_edit::Value::Float(nf), toml_edit::Value::Float(of)) = (&ev, &*val_ref)
                    && (nf.value() - of.value()).abs() < 1e-9
                {
                    continue;
                }
                // Preserve the existing suffix decoration (inline comment).
                let suffix = val_ref
                    .decor()
                    .suffix()
                    .and_then(|s| s.as_str())
                    .unwrap_or("")
                    .to_string();
                *val_ref = ev;
                if !suffix.is_empty() {
                    val_ref.decor_mut().set_suffix(suffix);
                }
            }
        }
    }
}

/// Patch a single `[section]` inside `doc` with values from `val`.
///
/// Only runs when the section already exists in the document — never injects
/// new sections.  Sub-tables are patched recursively.
fn patch_doc_section<T: serde::Serialize>(doc: &mut toml_edit::DocumentMut, name: &str, val: &T) {
    let Ok(toml::Value::Table(kv)) = toml::Value::try_from(val) else {
        return;
    };
    if kv.is_empty() || !doc.contains_key(name) {
        return;
    }
    if let Some(tbl) = doc.get_mut(name).and_then(|i| i.as_table_mut()) {
        apply_tv_table(tbl, &kv);
    }
}

/// Replace (or append) a `[[name]]` array-of-tables block in `content` with
/// `new_block`.
///
/// Finds the span from the first `[[name]]` line to just before the next
/// section header that is NOT `[[name]]`, then substitutes in `new_block`.
/// If the section is not present, `new_block` is appended at the end.
fn replace_aot_in_string(content: &str, name: &str, new_block: &str) -> String {
    let aot_header = format!("[[{name}]]");
    let lines: Vec<&str> = content.lines().collect();

    let Some(start) = lines.iter().position(|l| l.trim() == aot_header.as_str()) else {
        // Not found — append (only when there's something to add).
        if new_block.is_empty() {
            return content.to_string();
        }
        let mut out = content.trim_end_matches('\n').to_string();
        out.push_str("\n\n");
        out.push_str(new_block.trim_end_matches('\n'));
        out.push('\n');
        return out;
    };

    // End of AoT span: first line after `start` that opens a *different* section.
    let end = lines[start + 1..]
        .iter()
        .enumerate()
        .find(|(_, l)| {
            let t = l.trim();
            t.starts_with('[') && t != aot_header.as_str()
        })
        .map(|(i, _)| start + 1 + i)
        .unwrap_or(lines.len());

    let before = lines[..start].join("\n");
    let after = lines[end..].join("\n");

    let mut out = before.trim_end_matches('\n').to_string();
    if !new_block.is_empty() {
        if !out.is_empty() {
            out.push_str("\n\n");
        }
        out.push_str(new_block.trim_end_matches('\n'));
        out.push('\n');
    } else if !out.is_empty() {
        out.push('\n');
    }
    let after_trimmed = after.trim_start_matches('\n');
    if !after_trimmed.is_empty() {
        if !new_block.is_empty() {
            out.push('\n');
        }
        out.push_str(after_trimmed);
        if !out.ends_with('\n') {
            out.push('\n');
        }
    }
    out
}

/// Insert all key-value pairs from `src` into `dst` (a fresh or existing
/// `toml_edit::Table`).  Unlike [`apply_tv_table`], this function **adds**
/// keys that do not yet exist in `dst`, making it suitable for building
/// array-of-tables entries from scratch.
fn insert_tv_table(dst: &mut toml_edit::Table, src: &toml::Table) {
    // Insert "name" first so it always appears as the leading key in each entry.
    let key_order: &[&str] = &[
        "name",
        "base_url",
        "cli",
        "cli_args",
        "cli_yolo_args",
        "cli_model_env",
        "cli_yolo_env",
        "models",
    ];
    let mut inserted = std::collections::HashSet::new();
    for &k in key_order {
        if let Some(v) = src.get(k) {
            let item = match v {
                toml::Value::Table(sub) => {
                    let mut t = toml_edit::Table::new();
                    insert_tv_table(&mut t, sub);
                    toml_edit::Item::Table(t)
                }
                _ => match tv_to_edit(v) {
                    Some(ev) => toml_edit::Item::Value(ev),
                    None => continue,
                },
            };
            dst.insert(k, item);
            inserted.insert(k);
        }
    }
    for (k, v) in src {
        if inserted.contains(k.as_str()) {
            continue;
        }
        let item = match v {
            toml::Value::Table(sub) => {
                let mut t = toml_edit::Table::new();
                insert_tv_table(&mut t, sub);
                toml_edit::Item::Table(t)
            }
            _ => match tv_to_edit(v) {
                Some(ev) => toml_edit::Item::Value(ev),
                None => continue,
            },
        };
        dst.insert(k, item);
    }
}

/// Serialise `items` as a `[[name]]` array-of-tables block and return it as a
/// TOML string fragment (suitable for appending to a config file).
fn make_aot_block<T: serde::Serialize>(name: &str, items: &[T]) -> String {
    if items.is_empty() {
        return String::new();
    }
    let mut aot = toml_edit::ArrayOfTables::new();
    for item in items {
        let Ok(toml::Value::Table(kv)) = toml::Value::try_from(item) else {
            continue;
        };
        let mut t = toml_edit::Table::new();
        insert_tv_table(&mut t, &kv);
        aot.push(t);
    }
    let mut tmp = toml_edit::DocumentMut::default();
    tmp.insert(name, toml_edit::Item::ArrayOfTables(aot));
    tmp.to_string()
}

// ─────────────────────────────────────────────────────────────────────────────

pub(crate) fn write_config(path: &Path, cf: &ConfigFile) -> Result<()> {
    use toml_edit::DocumentMut;

    // ── 1. Strip sensitive fields via round-trip copy ────────────────────────
    let raw = toml::to_string_pretty(cf)
        .map_err(|e| AgentError::Config(format!("Failed to serialize config: {e}")))?;
    let mut clean: ConfigFile = toml::from_str(&raw)
        .map_err(|e| AgentError::Config(format!("Failed to re-parse config: {e}")))?;
    clean.api.api_key_enc = None;
    clean.api.api_key = None;
    clean.api.base_url = None; // resolved at runtime from [[providers]]
    clean.web.password_enc = None;
    clean.telegram.token_enc = None;
    clean.telegram.token = None;
    clean.slack.bot_token_enc = None;
    clean.slack.bot_token = None;
    clean.slack.app_token_enc = None;
    clean.slack.app_token = None;
    clean.discord.token_enc = None;
    clean.discord.token = None;
    for p in clean.providers.iter_mut() {
        p.api_key_enc = None;
    }
    // Drop ghost entries left by previous buggy writes (empty [[providers]] / [[models]]).
    clean.providers.retain(|p| !p.name.is_empty());
    clean.models.retain(|m| !m.name.is_empty());

    // ── 2. Load original document (preserves all comments & structure) ───────
    let original = if path.exists() {
        std::fs::read_to_string(path).unwrap_or_default()
    } else {
        String::new()
    };

    let final_str = match original.parse::<DocumentMut>() {
        Ok(mut doc) => {
            // ── 3. Patch each [section] in-place (never injects new sections) ──
            // api section is stored under the "default" key (serde rename).
            patch_doc_section(&mut doc, "default", &clean.api);
            patch_doc_section(&mut doc, "agent", &clean.agent);
            patch_doc_section(&mut doc, "agents", &clean.agents);
            patch_doc_section(&mut doc, "context", &clean.context);
            patch_doc_section(&mut doc, "hooks", &clean.hooks);
            patch_doc_section(&mut doc, "ui", &clean.ui);
            patch_doc_section(&mut doc, "bench", &clean.bench);
            patch_doc_section(&mut doc, "collaboration", &clean.collaboration);
            patch_doc_section(&mut doc, "debug", &clean.debug);
            patch_doc_section(&mut doc, "paths", &clean.paths);
            patch_doc_section(&mut doc, "web", &clean.web);
            patch_doc_section(&mut doc, "security", &clean.security);
            patch_doc_section(&mut doc, "rag", &clean.rag);
            patch_doc_section(&mut doc, "soul", &clean.soul);
            patch_doc_section(&mut doc, "evolution", &clean.evolution);
            patch_doc_section(&mut doc, "telemetry", &clean.telemetry);
            patch_doc_section(&mut doc, "remote", &clean.remote);
            patch_doc_section(&mut doc, "telegram", &clean.telegram);
            patch_doc_section(&mut doc, "slack", &clean.slack);
            patch_doc_section(&mut doc, "discord", &clean.discord);
            if !clean.proxy_headers.is_empty() {
                patch_doc_section(&mut doc, "proxy_headers", &clean.proxy_headers);
            }

            // ── 4. Render the patched doc (AoT sections still in place) ─────────
            let rendered = doc.to_string();

            // ── 5. Replace AoT blocks in-string (preserves section order) ────────
            let models_block = make_aot_block("models", &clean.models);
            let channel_block = make_aot_block("channel_map", &clean.channel_map);
            let providers_block = make_aot_block("providers", &clean.providers);
            let s = replace_aot_in_string(&rendered, "models", &models_block);
            let s = replace_aot_in_string(&s, "channel_map", &channel_block);
            let s = replace_aot_in_string(&s, "providers", &providers_block);

            // ── 6. Move [telemetry] to end ────────────────────────────────────
            move_section_to_end(&s, "telemetry")
        }
        Err(_) => {
            // Corrupt or missing file — fall back to full serialisation.
            let fallback = toml::to_string_pretty(&clean)
                .map_err(|e| AgentError::Config(format!("Failed to serialize config: {e}")))?;
            move_section_to_end(&fallback, "telemetry")
        }
    };

    std::fs::write(path, &final_str).map_err(|e| {
        AgentError::Config(format!("Failed to write config {}: {e}", path.display()))
    })?;

    // Persist secrets to .secrets
    let mut secrets = load_secrets();
    let machine_id = load_secrets().machine_id;
    let extracted = extract_secrets(cf, machine_id);
    if extracted.api.api_key_enc.is_some() {
        secrets.api = extracted.api;
    }
    for ep in &extracted.providers {
        if let Some(sp) = secrets.providers.iter_mut().find(|p| p.name == ep.name) {
            if ep.api_key_enc.is_some() {
                sp.api_key_enc = ep.api_key_enc.clone();
            }
        } else if ep.api_key_enc.is_some() {
            secrets.providers.push(ep.clone());
        }
    }
    // Remove orphaned secrets entries for providers no longer in config
    let active_names: std::collections::HashSet<&str> =
        cf.providers.iter().map(|p| p.name.as_str()).collect();
    secrets
        .providers
        .retain(|sp| active_names.contains(sp.name.as_str()));
    if extracted.web.password_enc.is_some() {
        secrets.web = extracted.web;
    }
    if extracted.telegram.token_enc.is_some() {
        secrets.telegram = extracted.telegram;
    }
    if extracted.slack.bot_token_enc.is_some() || extracted.slack.app_token_enc.is_some() {
        secrets.slack = extracted.slack;
    }
    if extracted.discord.token_enc.is_some() {
        secrets.discord = extracted.discord;
    }
    let _ = save_secrets(&secrets);
    update_gitignore_for_secrets();

    Ok(())
}

/// Write config with inline comments for user guidance (used by setup wizard and persist_config).
pub fn write_config_commented(path: &Path, cf: &ConfigFile) -> Result<()> {
    use std::fmt::Write;

    let mut out = String::with_capacity(2048);

    // ── [default] ──
    writeln!(
        out,
        "# ── Active provider ─────────────────────────────────────────────────────────"
    )
    .unwrap();
    writeln!(out, "# Which provider and model collet uses by default.").unwrap();
    writeln!(
        out,
        "# API keys are stored separately in ~/.collet/.secrets (auto-managed)."
    )
    .unwrap();
    writeln!(out, "# Change active provider: collet provider set <name>").unwrap();
    writeln!(out, "[default]").unwrap();
    if let Some(ref v) = cf.api.providers {
        writeln!(
            out,
            "providers = {v:?}  # fallback chain: \"provider/model,provider2/model2\""
        )
        .unwrap();
    }
    if let Some(v) = cf.api.max_tokens {
        writeln!(out, "max_tokens = {v}  # override per-model context limit").unwrap();
    }

    // ── [agents] (right after [default]) ──
    writeln!(out).unwrap();
    writeln!(
        out,
        "# ── Agents ───────────────────────────────────────────────────────"
    )
    .unwrap();
    writeln!(
        out,
        "# Agent definitions live in ~/.collet/agents/*.md (YAML frontmatter)."
    )
    .unwrap();
    writeln!(
        out,
        "# Run `collet setup` to configure, or edit values below / .md files directly."
    )
    .unwrap();
    let has_assignments = cf.agents.arbor.is_some()
        || cf.agents.code.is_some()
        || cf.agents.architect.is_some()
        || cf.agents.ask.is_some();
    if has_assignments {
        writeln!(out, "[agents]").unwrap();
        if let Some(ref v) = cf.agents.arbor {
            writeln!(out, "arbor     = {v:?}").unwrap();
        }
        if let Some(ref v) = cf.agents.architect {
            writeln!(out, "architect = {v:?}").unwrap();
        }
        if let Some(ref v) = cf.agents.code {
            writeln!(out, "code      = {v:?}").unwrap();
        }
        if let Some(ref v) = cf.agents.ask {
            writeln!(out, "ask       = {v:?}").unwrap();
        }
    }

    // ── [collaboration] (after [agents]) ──
    writeln!(out).unwrap();
    writeln!(out, "# Multi-agent parallel execution").unwrap();
    writeln!(out, "# Tiers:  none (default) < fork < hive < flock").unwrap();
    writeln!(out, "#   none  — single agent, sequential").unwrap();
    writeln!(
        out,
        "#   fork  — coordinator splits task → agents run in parallel → merge"
    )
    .unwrap();
    writeln!(
        out,
        "#   hive  — fork + plan-review consensus (architect → reviewers → workers)"
    )
    .unwrap();
    writeln!(
        out,
        "#   flock — hive + real-time blackboard announcements between agents"
    )
    .unwrap();
    writeln!(out, "#").unwrap();
    writeln!(
        out,
        "# Headless / CI: set via env var instead of this file:"
    )
    .unwrap();
    writeln!(out, "#   COLLET_COLLAB_MODE=fork collet --headless \"...\"").unwrap();
    writeln!(
        out,
        "#   COLLET_COLLAB_MAX_AGENTS=5 COLLET_COLLAB_MODE=hive collet --headless \"...\""
    )
    .unwrap();
    writeln!(out, "[collaboration]").unwrap();
    if let Some(ref v) = cf.collaboration.mode {
        if let Ok(toml::Value::String(s)) = toml::Value::try_from(v) {
            writeln!(out, "mode = {s:?}").unwrap();
        }
    } else {
        writeln!(out, "mode = \"flock\"").unwrap();
    }
    if let Some(v) = cf.collaboration.worktree {
        writeln!(out, "worktree = {v}").unwrap();
    }
    if let Some(v) = cf.collaboration.max_agents {
        writeln!(out, "max_agents = {v}").unwrap();
    }
    if let Some(ref v) = cf.collaboration.worker_model {
        writeln!(out, "worker_model = {v:?}").unwrap();
    } else {
        writeln!(out, "# worker_model = \"zai-coding/glm-4.7\"       # provider/model for workers (medium-tier); defaults to config model").unwrap();
    }
    if let Some(ref v) = cf.collaboration.coordinator_model {
        writeln!(out, "coordinator_model = {v:?}").unwrap();
    } else {
        writeln!(out, "# coordinator_model = \"zai-coding/glm-4-plus\" # provider/model for coordinator (heavy-tier); defaults to config model").unwrap();
    }
    if let Some(ref v) = cf.collaboration.strategy
        && let Ok(toml::Value::String(s)) = toml::Value::try_from(v)
    {
        writeln!(out, "strategy = {s:?}").unwrap();
    }
    if let Some(ref v) = cf.collaboration.conflict_resolution
        && let Ok(toml::Value::String(s)) = toml::Value::try_from(v)
    {
        writeln!(out, "conflict_resolution = {s:?}").unwrap();
    }

    // ── [soul] ──
    writeln!(out).unwrap();
    writeln!(out, "# Agent personality persistence (Soul.md)").unwrap();
    writeln!(
        out,
        "# Each agent builds its own character, emotions, and growth over time."
    )
    .unwrap();
    writeln!(
        out,
        "# Per-agent override via `soul: true/false` in agent .md frontmatter."
    )
    .unwrap();
    writeln!(out, "[soul]").unwrap();
    if let Some(v) = cf.soul.enabled {
        writeln!(out, "enabled = {v}").unwrap();
    } else {
        writeln!(out, "# enabled = true").unwrap();
    }

    // ── [agent] ──
    writeln!(out).unwrap();
    writeln!(
        out,
        "# ── Agent behavior ──────────────────────────────────────────────────────────"
    )
    .unwrap();
    writeln!(
        out,
        "# Controls how long and how many times the agent may run per task."
    )
    .unwrap();
    writeln!(out, "[agent]").unwrap();
    if let Some(v) = cf.agent.max_iterations {
        writeln!(
            out,
            "max_iterations = {v}             # LLM call limit per run (0 = immediate stop)"
        )
        .unwrap();
    } else {
        writeln!(out, "# max_iterations = 200           # LLM call limit per run; ~200 fits a 200k context window").unwrap();
    }
    if let Some(v) = cf.agent.tool_timeout_secs {
        writeln!(
            out,
            "tool_timeout_secs = {v}          # seconds before a single tool call is killed"
        )
        .unwrap();
    } else {
        writeln!(
            out,
            "# tool_timeout_secs = 300        # seconds before a single tool call is killed"
        )
        .unwrap();
    }
    if let Some(v) = cf.agent.task_timeout_secs {
        writeln!(
            out,
            "task_timeout_secs = {v}          # hard wall-clock limit for the entire task"
        )
        .unwrap();
    } else {
        writeln!(
            out,
            "# task_timeout_secs = 7200       # hard wall-clock limit (2 h covers ~200 iterations)"
        )
        .unwrap();
    }
    if let Some(v) = cf.agent.max_continuations {
        writeln!(
            out,
            "max_continuations = {v}          # auto-resume rounds after hitting the iteration cap"
        )
        .unwrap();
    } else {
        writeln!(
            out,
            "# max_continuations = 5          # auto-resume rounds after hitting the iteration cap"
        )
        .unwrap();
    }
    if let Some(v) = cf.agent.circuit_breaker_threshold {
        writeln!(
            out,
            "circuit_breaker_threshold = {v}  # consecutive failures before giving up"
        )
        .unwrap();
    } else {
        writeln!(
            out,
            "# circuit_breaker_threshold = 3  # consecutive failures before giving up"
        )
        .unwrap();
    }
    if let Some(v) = cf.agent.stream_idle_timeout_secs {
        writeln!(
            out,
            "stream_idle_timeout_secs = {v}   # seconds of no chunk before retry"
        )
        .unwrap();
    } else {
        writeln!(
            out,
            "# stream_idle_timeout_secs = 120 # seconds of no chunk before retry"
        )
        .unwrap();
    }
    if let Some(v) = cf.agent.stream_max_retries {
        writeln!(
            out,
            "stream_max_retries = {v}         # max retry attempts on stream idle"
        )
        .unwrap();
    } else {
        writeln!(
            out,
            "# stream_max_retries = 5         # max retry attempts on stream idle"
        )
        .unwrap();
    }
    if let Some(v) = cf.agent.iteration_delay_ms {
        writeln!(
            out,
            "iteration_delay_ms = {v}         # ms pause between iterations (reduces API pressure)"
        )
        .unwrap();
    } else {
        writeln!(
            out,
            "# iteration_delay_ms = 50        # ms pause between iterations (reduces API pressure)"
        )
        .unwrap();
    }
    if let Some(v) = cf.agent.auto_optimize {
        writeln!(
            out,
            "auto_optimize = {v}              # suggest parameter tweaks based on session metrics"
        )
        .unwrap();
    }
    if let Some(v) = cf.agent.auto_route {
        writeln!(out, "auto_route = {v}                 # select lighter/heavier model based on task complexity").unwrap();
    } else {
        writeln!(out, "# auto_route = true              # select lighter/heavier model based on task complexity").unwrap();
    }

    // ── [context] ──
    writeln!(out).unwrap();
    writeln!(
        out,
        "# ── Context window ──────────────────────────────────────────────────────────"
    )
    .unwrap();
    writeln!(
        out,
        "# collet compacts old conversation history before the context fills up."
    )
    .unwrap();
    writeln!(out, "[context]").unwrap();
    if let Some(v) = cf.context.max_tokens {
        writeln!(
            out,
            "max_tokens = {v}          # tokens sent to the model per request"
        )
        .unwrap();
    }
    if let Some(v) = cf.context.compaction_threshold {
        writeln!(
            out,
            "compaction_threshold = {v}  # compact when context reaches this fraction (0.0–1.0)"
        )
        .unwrap();
    }
    if let Some(v) = cf.context.adaptive_compaction {
        writeln!(
            out,
            "adaptive_compaction = {v}   # adjust threshold based on tool density automatically"
        )
        .unwrap();
    }

    // ── [hooks] ──
    writeln!(out).unwrap();
    writeln!(
        out,
        "# ── Hooks ───────────────────────────────────────────────────────────────────"
    )
    .unwrap();
    writeln!(
        out,
        "# Shell commands and automation that run around agent actions."
    )
    .unwrap();
    writeln!(out, "[hooks]").unwrap();
    if let Some(v) = cf.hooks.auto_commit {
        writeln!(
            out,
            "auto_commit = {v}  # automatically commit after each successful task"
        )
        .unwrap();
    }
    writeln!(
        out,
        "# lint_cmd = \"cargo clippy\"  # run linter before commit (blocks if it fails)"
    )
    .unwrap();
    writeln!(
        out,
        "# test_cmd = \"cargo test\"    # run tests before commit (blocks if they fail)"
    )
    .unwrap();

    // ── [ui] ──
    writeln!(out).unwrap();
    writeln!(
        out,
        "# ── Appearance ──────────────────────────────────────────────────────────────"
    )
    .unwrap();
    writeln!(
        out,
        "# Change with: collet setup --advanced  (or edit directly)"
    )
    .unwrap();
    writeln!(
        out,
        "# Themes: default dracula catppuccin-mocha catppuccin-latte tokyo-night"
    )
    .unwrap();
    writeln!(
        out,
        "#         nord gruvbox one-dark rose-pine material-dark ayu-dark …"
    )
    .unwrap();
    writeln!(out, "[ui]").unwrap();
    if let Some(ref v) = cf.ui.theme {
        writeln!(out, "theme = {v:?}").unwrap();
    }
    if let Some(v) = cf.ui.debug_mode {
        writeln!(
            out,
            "debug_mode = {v}  # show CPU/memory/token monitor in sidebar"
        )
        .unwrap();
    } else {
        writeln!(
            out,
            "# debug_mode = false  # show CPU/memory/token monitor in sidebar"
        )
        .unwrap();
    }

    // ── [remote] ──
    writeln!(out).unwrap();
    writeln!(out, "# Remote gateway (Telegram, Slack, Discord)").unwrap();
    writeln!(out, "[remote]").unwrap();
    if let Some(v) = cf.remote.enabled {
        writeln!(out, "enabled = {v}").unwrap();
    }
    if let Some(v) = cf.remote.session_timeout {
        writeln!(
            out,
            "session_timeout = {v}  # seconds before idle session is evicted"
        )
        .unwrap();
    }
    if let Some(ref v) = cf.remote.default_streaming {
        writeln!(out, "default_streaming = {v:?}  # \"compact\" or \"full\"").unwrap();
    }
    if let Some(ref v) = cf.remote.default_workspace {
        writeln!(
            out,
            "default_workspace = {v:?}  # \"project\", \"workspace\", or \"full\""
        )
        .unwrap();
    }
    if let Some(ref v) = cf.remote.workspace {
        writeln!(
            out,
            "workspace = {v:?}  # default project dir for unmapped channels (default: ~/.collet/workspace)"
        )
        .unwrap();
    }
    if let Some(ref v) = cf.remote.approval_mode {
        writeln!(
            out,
            "approval_mode = {v:?}  # \"yolo\" | \"plan-only\" | \"cautious\" (default: \"yolo\")"
        )
        .unwrap();
    }
    if !cf.remote.permissions.always_allow.is_empty()
        || !cf.remote.permissions.always_deny.is_empty()
    {
        writeln!(out).unwrap();
        writeln!(
            out,
            "# Per-tool permission overrides. Patterns: \"bash\" or \"bash(git status*)\""
        )
        .unwrap();
        writeln!(out, "[remote.permissions]").unwrap();
        if !cf.remote.permissions.always_allow.is_empty() {
            let allow_list = cf
                .remote
                .permissions
                .always_allow
                .iter()
                .map(|s| format!("{s:?}"))
                .collect::<Vec<_>>()
                .join(", ");
            writeln!(out, "always_allow = [{allow_list}]").unwrap();
        }
        if !cf.remote.permissions.always_deny.is_empty() {
            let deny_list = cf
                .remote
                .permissions
                .always_deny
                .iter()
                .map(|s| format!("{s:?}"))
                .collect::<Vec<_>>()
                .join(", ");
            writeln!(out, "always_deny = [{deny_list}]").unwrap();
        }
    }

    // ── [telegram] ──
    let has_telegram = !cf.telegram.allowed_users.is_empty();
    if has_telegram {
        writeln!(out).unwrap();
        writeln!(
            out,
            "# Telegram bot configuration (token stored in .secrets)"
        )
        .unwrap();
        writeln!(out, "[telegram]").unwrap();
        let users: Vec<String> = cf
            .telegram
            .allowed_users
            .iter()
            .map(|u| u.to_string())
            .collect();
        writeln!(out, "allowed_users = [{}]", users.join(", ")).unwrap();
    }

    // ── [slack] ──
    let has_slack = !cf.slack.allowed_users.is_empty();
    if has_slack {
        writeln!(out).unwrap();
        writeln!(out, "# Slack bot configuration (tokens stored in .secrets)").unwrap();
        writeln!(out, "[slack]").unwrap();
        let users: Vec<String> = cf
            .slack
            .allowed_users
            .iter()
            .map(|u| format!("{u:?}"))
            .collect();
        writeln!(out, "allowed_users = [{}]", users.join(", ")).unwrap();
    }

    // ── [discord] ──
    let has_discord = !cf.discord.allowed_users.is_empty() || !cf.discord.guild_ids.is_empty();
    if has_discord {
        writeln!(out).unwrap();
        writeln!(
            out,
            "# Discord bot configuration (token stored in .secrets)"
        )
        .unwrap();
        writeln!(out, "[discord]").unwrap();
        if !cf.discord.allowed_users.is_empty() {
            let users: Vec<String> = cf
                .discord
                .allowed_users
                .iter()
                .map(|u| u.to_string())
                .collect();
            writeln!(out, "allowed_users = [{}]", users.join(", ")).unwrap();
        }
        if !cf.discord.guild_ids.is_empty() {
            let guilds: Vec<String> = cf.discord.guild_ids.iter().map(|g| g.to_string()).collect();
            writeln!(out, "guild_ids = [{}]", guilds.join(", ")).unwrap();
        }
    }

    // ── [[channel_map]] ──
    writeln!(out).unwrap();
    writeln!(
        out,
        "# ── Channel → Project mapping ────────────────────────────────────────────────"
    )
    .unwrap();
    writeln!(
        out,
        "# Map a bot channel to a project directory and (optionally) an agent."
    )
    .unwrap();
    writeln!(
        out,
        "# The agent field pins the model and system prompt for that channel."
    )
    .unwrap();
    writeln!(out, "# Example:").unwrap();
    writeln!(out, "#   [[channel_map]]").unwrap();
    writeln!(out, "#   platform = \"discord\"").unwrap();
    writeln!(out, "#   channel  = \"123456789\"").unwrap();
    writeln!(
        out,
        "#   project  = \"/home/user/my-app\"  # optional: uses [remote].workspace if unset"
    )
    .unwrap();
    writeln!(out, "#   name     = \"my-app\"").unwrap();
    writeln!(
        out,
        "#   agent    = \"architect\"  # optional: pins agent model + system_prompt"
    )
    .unwrap();
    for cm in &cf.channel_map {
        writeln!(out).unwrap();
        writeln!(out, "[[channel_map]]").unwrap();
        writeln!(out, "platform = {:?}", cm.platform).unwrap();
        writeln!(out, "channel = {:?}", cm.channel).unwrap();
        if let Some(ref project) = cm.project {
            writeln!(out, "project = {:?}", project).unwrap();
        } else {
            writeln!(
                out,
                "# project = \"/path/to/project\"  # optional: uses [remote].workspace if unset"
            )
            .unwrap();
        }
        if !cm.name.is_empty() {
            writeln!(out, "name = {:?}", cm.name).unwrap();
        }
        if let Some(ref agent) = cm.agent {
            writeln!(out, "agent = {:?}", agent).unwrap();
        }
    }

    // ── [security] ──
    writeln!(out).unwrap();
    writeln!(
        out,
        "# ── Security ─────────────────────────────────────────────────────────────────"
    )
    .unwrap();
    writeln!(
        out,
        "# Path blocking (deny_paths) and symlink policy for file-access tools."
    )
    .unwrap();
    writeln!(out, "[security]").unwrap();
    writeln!(
        out,
        "# pii_filter = true  # redact PII/secrets before sending to LLM"
    )
    .unwrap();
    if cf.security.deny_paths.is_empty() {
        writeln!(
            out,
            "# deny_paths = [\"~/.ssh\", \"~/.gnupg\", \"~/.aws\", \"**/.env\"]"
        )
        .unwrap();
    } else {
        writeln!(out, "deny_paths = {:?}", cf.security.deny_paths).unwrap();
    }
    let symlinks = cf.security.follow_symlinks.unwrap_or(false);
    writeln!(
        out,
        "follow_symlinks = {symlinks}  # false = resolve symlinks and re-check deny_paths"
    )
    .unwrap();

    // ── [telemetry] ── (last regular section — appears at end before arrays)
    writeln!(out).unwrap();
    writeln!(
        out,
        "# ── Telemetry ────────────────────────────────────────────────────────────────"
    )
    .unwrap();
    writeln!(
        out,
        "# Anonymous usage stats (feature frequency, session stats). No code/files."
    )
    .unwrap();
    writeln!(out, "# Override with env var: COLLET_TELEMETRY=0").unwrap();
    writeln!(out, "[telemetry]").unwrap();
    if let Some(v) = cf.telemetry.enabled {
        writeln!(out, "enabled = {v}").unwrap();
    } else {
        writeln!(out, "# enabled = true").unwrap();
    }
    if let Some(v) = cf.telemetry.error_reporting {
        writeln!(out, "error_reporting = {v}").unwrap();
    }
    if let Some(v) = cf.telemetry.analytics {
        writeln!(out, "analytics = {v}").unwrap();
    }

    // ── [[providers]] ──
    writeln!(out).unwrap();
    writeln!(out, "# Registered providers (credentials only)").unwrap();
    writeln!(out, "# Add more with: collet provider add").unwrap();
    for p in &cf.providers {
        writeln!(out).unwrap();
        writeln!(out, "[[providers]]").unwrap();
        writeln!(out, "name = {:?}", p.name).unwrap();
        if let Some(ref cli) = p.cli {
            writeln!(out, "cli = {:?}", cli).unwrap();
            if !p.cli_args.is_empty() {
                let args_str: Vec<String> = p.cli_args.iter().map(|a| format!("{a:?}")).collect();
                writeln!(out, "cli_args = [{}]", args_str.join(", ")).unwrap();
            }
        } else {
            writeln!(out, "base_url = {:?}", p.base_url).unwrap();
        }
        // api_key_enc is stored in .secrets — not written here
        if !p.models.is_empty() {
            let models_str: Vec<String> = p.models.iter().map(|m| format!("{m:?}")).collect();
            // Models are ordered from most capable (index 0) to cheapest/fastest (last).
            // coordinator uses models[0], workers use models[last].
            writeln!(out, "models = [{}]", models_str.join(", ")).unwrap();
        }
    }

    // ── [[models]] ──
    writeln!(out).unwrap();
    writeln!(
        out,
        "# ── Per-model overrides ──────────────────────────────────────"
    )
    .unwrap();
    writeln!(
        out,
        "# Override defaults for specific models. Resolution order:"
    )
    .unwrap();
    writeln!(
        out,
        "#   global (env/[agent]) → [[models]] → [[agents.list]]"
    )
    .unwrap();
    if cf.models.is_empty() {
        writeln!(out, "#").unwrap();
        writeln!(out, "# [[models]]").unwrap();
        writeln!(out, "# name = \"glm-4.7\"").unwrap();
        writeln!(out, "# context_window = 128000").unwrap();
        writeln!(out, "# max_output_tokens = 8192").unwrap();
        writeln!(out, "# supports_tools = true").unwrap();
        writeln!(out, "# supports_reasoning = false").unwrap();
        writeln!(
            out,
            "# concurrency_limit = 3            # Max concurrent requests for this model"
        )
        .unwrap();
    } else {
        for m in &cf.models {
            writeln!(out).unwrap();
            writeln!(out, "[[models]]").unwrap();
            writeln!(out, "name = {:?}", m.name).unwrap();
            if let Some(v) = m.context_window {
                writeln!(out, "context_window = {v}").unwrap();
            }
            if let Some(v) = m.max_output_tokens {
                writeln!(out, "max_output_tokens = {v}").unwrap();
            }
            if let Some(v) = m.supports_tools {
                writeln!(out, "supports_tools = {v}").unwrap();
            }
            if let Some(v) = m.supports_reasoning {
                writeln!(out, "supports_reasoning = {v}").unwrap();
            }
            if let Some(v) = m.temperature {
                writeln!(out, "temperature = {v}").unwrap();
            }
            if let Some(v) = m.thinking_budget_tokens {
                writeln!(out, "thinking_budget_tokens = {v}").unwrap();
            }
            if let Some(ref v) = m.reasoning_effort {
                writeln!(out, "reasoning_effort = {v:?}").unwrap();
            }
            if let Some(v) = m.max_iterations {
                writeln!(out, "max_iterations = {v}").unwrap();
            }
            if let Some(v) = m.concurrency_limit {
                writeln!(out, "concurrency_limit = {v}").unwrap();
            }
        }
        writeln!(
            out,
            "# temperature = 0.3               # Sampling temperature (omit for default)"
        )
        .unwrap();
        writeln!(
            out,
            "# thinking_budget_tokens = 4096    # Reasoning budget in tokens (takes priority)"
        )
        .unwrap();
        writeln!(
            out,
            "# reasoning_effort = \"medium\"       # low | medium | high (ignored if budget set)"
        )
        .unwrap();
        writeln!(
            out,
            "# max_iterations = 30              # Per-model iteration limit"
        )
        .unwrap();
        writeln!(
            out,
            "# concurrency_limit = 3            # Max concurrent requests (per-process)"
        )
        .unwrap();
    }

    // ── [evolution] ── (advanced / optional)
    writeln!(out).unwrap();
    writeln!(
        out,
        "# ── Auto-evolution ───────────────────────────────────────────────────────────"
    )
    .unwrap();
    writeln!(
        out,
        "# Automatically run one evolution cycle after each agent task completes."
    )
    .unwrap();
    writeln!(
        out,
        "# Workspace layout mirrors Soul — per-agent under ~/.collet/agents/{{name}}/workspace/"
    )
    .unwrap();
    writeln!(out, "# global agent (\"collet\") uses ~/.collet/workspace/").unwrap();
    if cf.evolution.enabled.unwrap_or(false) {
        writeln!(out, "[evolution]").unwrap();
        writeln!(out, "enabled = true").unwrap();
        let cycles = cf.evolution.cycles.unwrap_or(1);
        writeln!(out, "cycles = {cycles}  # evolution cycles per trigger").unwrap();
        if let Some(ref m) = cf.evolution.model {
            writeln!(out, "model = {m:?}").unwrap();
        } else {
            writeln!(
                out,
                "# model = \"...\"  # evolver model override (defaults to config model)"
            )
            .unwrap();
        }
    } else {
        writeln!(out, "# [evolution]").unwrap();
        writeln!(out, "# enabled = false").unwrap();
        writeln!(out, "# cycles = 1         # evolution cycles per trigger").unwrap();
        writeln!(
            out,
            "# model = \"...\"       # evolver model override (defaults to config model)"
        )
        .unwrap();
    }

    // ── [proxy_headers] ──
    writeln!(out).unwrap();
    writeln!(
        out,
        "# ── Proxy headers ───────────────────────────────────────────────────────────"
    )
    .unwrap();
    writeln!(out, "# Extra HTTP headers injected into every API request.").unwrap();
    writeln!(
        out,
        "# Use this to route requests through a security proxy."
    )
    .unwrap();
    writeln!(out, "#").unwrap();
    writeln!(
        out,
        "# Example (explicit mode — proxy requires target URL and agent identity):"
    )
    .unwrap();
    writeln!(out, "#   base_url = \"http://localhost:8000/api/v1/proxy\"").unwrap();
    writeln!(out, "#   [proxy_headers]").unwrap();
    writeln!(
        out,
        "#   X-Target-URL = \"https://api.openai.com/v1\"  # real upstream API"
    )
    .unwrap();
    writeln!(
        out,
        "#   X-Agent-ID   = \"collet-01\"                  # identifier for policy enforcement"
    )
    .unwrap();
    writeln!(
        out,
        "#   X-Auth-Token = \"<proxy-jwt>\"                # auth token issued by your proxy"
    )
    .unwrap();
    writeln!(out, "#").unwrap();
    writeln!(
        out,
        "# Example (transparent mode — proxy auto-detects agent from request):"
    )
    .unwrap();
    writeln!(
        out,
        "#   base_url = \"http://localhost:8000/api/v1/t/openai/v1\""
    )
    .unwrap();
    writeln!(out, "#").unwrap();
    writeln!(out, "# Example (custom header for any proxy):").unwrap();
    writeln!(out, "#   [proxy_headers]").unwrap();
    writeln!(out, "#   X-My-Proxy-Key = \"my-value\"").unwrap();
    if cf.proxy_headers.is_empty() {
        writeln!(out, "# [proxy_headers]").unwrap();
    } else {
        writeln!(out, "[proxy_headers]").unwrap();
        for (k, v) in &cf.proxy_headers {
            writeln!(out, "{k} = {v:?}").unwrap();
        }
    }

    std::fs::write(path, out).map_err(|e| {
        AgentError::Config(format!("Failed to write config {}: {e}", path.display()))
    })?;

    // Write all sensitive fields to .secrets (separate from config.toml)
    let mut secrets = load_secrets();
    let machine_id = load_secrets().machine_id;
    let extracted = extract_secrets(cf, machine_id);
    // Merge: new values override, existing ones preserved for providers not in cf
    if extracted.api.api_key_enc.is_some() {
        secrets.api = extracted.api;
    }
    for ep in &extracted.providers {
        if let Some(sp) = secrets.providers.iter_mut().find(|p| p.name == ep.name) {
            if ep.api_key_enc.is_some() {
                sp.api_key_enc = ep.api_key_enc.clone();
            }
        } else if ep.api_key_enc.is_some() {
            secrets.providers.push(ep.clone());
        }
    }
    // Remove orphaned secrets entries for providers no longer in config
    let active_names: std::collections::HashSet<&str> =
        cf.providers.iter().map(|p| p.name.as_str()).collect();
    secrets
        .providers
        .retain(|sp| active_names.contains(sp.name.as_str()));
    if extracted.web.password_enc.is_some() {
        secrets.web = extracted.web;
    }
    if extracted.telegram.token_enc.is_some() {
        secrets.telegram = extracted.telegram;
    }
    if extracted.slack.bot_token_enc.is_some() || extracted.slack.app_token_enc.is_some() {
        secrets.slack = extracted.slack;
    }
    if extracted.discord.token_enc.is_some() {
        secrets.discord = extracted.discord;
    }
    let _ = save_secrets(&secrets);

    // Ensure .secrets is in .gitignore
    update_gitignore_for_secrets();

    Ok(())
}

#[cfg(test)]
mod merge_tests {
    use super::merge_config_into_original;

    #[test]
    fn preserves_unknown_sections() {
        let original = r#"
# top comment
[soul]
enabled = true

# user-added custom section
[my_plugin]
key = "value"
"#;
        let new_toml = r#"
[soul]
enabled = false
"#;
        let result = merge_config_into_original(original, new_toml);
        assert!(
            result.contains("[my_plugin]"),
            "unknown section must be preserved"
        );
        assert!(
            result.contains(r#"key = "value""#),
            "unknown section contents must be preserved"
        );
        assert!(
            result.contains("enabled = false"),
            "known section must be updated"
        );
    }

    #[test]
    fn preserves_comments_outside_updated_sections() {
        let original = r#"
# global comment
[soul]
enabled = true
"#;
        let new_toml = r#"
[soul]
enabled = false
"#;
        let result = merge_config_into_original(original, new_toml);
        assert!(
            result.contains("# global comment"),
            "top-level comments must be preserved"
        );
    }

    #[test]
    fn falls_back_to_new_toml_on_corrupt_original() {
        let original = "not valid toml {{{{";
        let new_toml = "[soul]\nenabled = false\n";
        let result = merge_config_into_original(original, new_toml);
        assert_eq!(result, new_toml);
    }

    #[test]
    fn does_not_inject_sections_absent_from_original() {
        // Simulates `provider add`: new_toml has extra sections like [bench]/[evolution]
        // that aren't in the original. They must NOT be injected.
        let original = r#"
[soul]
enabled = true

[telemetry]
enabled = true

[[providers]]
name = "openai"
base_url = "https://api.openai.com/v1"
models = ["gpt-4o"]
"#;
        let new_toml = r#"
[soul]
enabled = true

[bench]

[evolution]

[telemetry]
enabled = true

[[providers]]
name = "openai"
base_url = "https://api.openai.com/v1"
models = ["gpt-4o"]

[[providers]]
name = "anthropic"
base_url = "https://api.anthropic.com/v1"
models = ["claude-sonnet-4-6"]
"#;
        let result = merge_config_into_original(original, new_toml);
        assert!(
            !result.contains("[bench]"),
            "empty [bench] must not be injected"
        );
        assert!(
            !result.contains("[evolution]"),
            "empty [evolution] must not be injected"
        );
        assert!(result.contains("anthropic"), "new provider must be added");
        assert!(
            result.contains("enabled = true"),
            "existing values must be preserved"
        );
    }

    #[test]
    fn telemetry_moves_to_end_of_document() {
        // Telemetry in the middle of the original must be relocated to the end.
        let original = r#"[soul]
enabled = true

[telemetry]
enabled = true

[remote]
enabled = false
"#;
        let new_toml = r#"[soul]
enabled = true

[telemetry]
enabled = true

[remote]
enabled = false
"#;
        let result = merge_config_into_original(original, new_toml);
        let telem_pos = result
            .find("[telemetry]")
            .expect("[telemetry] must be present");
        let remote_pos = result.find("[remote]").expect("[remote] must be present");
        assert!(
            telem_pos > remote_pos,
            "[telemetry] must appear after [remote]"
        );
    }
}