vtcode-config 0.172.4

# VT Code Configuration File (Example)
# Getting-started reference; see docs/config/CONFIGURATION_PRECEDENCE.md for override order.
# Copy this file to vtcode.toml and customize as needed.

# Clickable file citation URI scheme ("vscode", "cursor", "windsurf", "vscode-insiders", "none")
file_opener = "none"

# Workspace-level configuration
# [workspace]
# When true, force workspace root vtcode.toml as the sole active config layer
# (system, user, project, and dot-dir layers are discarded)
# use_root_config = false
# include_context = true
# max_context_size = 1048576  # 1MB

# Primary agent selected for new sessions when no explicit session selection is active
default_primary_agent = "build"

# Optional external command invoked after each completed agent turn
notify = []

# User-defined OpenAI-compatible providers
custom_providers = []

# [[custom_providers]]
# name = "mycorp"
# display_name = "MyCorporateName"
# base_url = "https://llm.corp.example/v1"
# api_key_env = "MYCORP_API_KEY"
# model = "gpt-5-mini"
# context_window = 256000

[history]
# Persist local session transcripts to disk
persistence = "file"

# Optional max size budget for each persisted session snapshot
# max_bytes = 104857600

[tui]
# Enable all built-in TUI notifications, disable them, or restrict to specific event types.
# notifications = true
# notifications = ["agent-turn-complete", "approval-requested"]

# Notification transport: "auto", "osc9", or "bel"
# notification_method = "auto"

# Set to false to reduce shimmer/animation effects
# animations = true

# Alternate-screen override: "always" or "never"
# alternate_screen = "never"

# Show onboarding hints on the welcome screen
# show_tooltips = true

# Core agent behavior; see docs/config/CONFIGURATION_PRECEDENCE.md.
[agent]
# Primary LLM provider to use (e.g., "openai", "gemini", "anthropic", "openrouter")
provider = "openai"

# Environment variable containing the API key for the provider
api_key_env = "OPENAI_API_KEY"

# Default model to use when no specific model is specified
default_model = "gpt-5.6-sol"

# Visual theme for the terminal interface
theme = "ciapre-dark"

# Enable TODO planning helper mode for structured task management
todo_planning_mode = true

# UI surface to use ("inline" by default; "auto" and "alternate" are also supported)
ui_surface = "inline"

# Maximum number of conversation turns before rotating context (affects memory usage)
# Lower values reduce memory footprint but may lose context; higher values preserve context but use more memory
max_conversation_turns = 150

# Reasoning effort level ("none", "minimal", "low", "medium", "high", "xhigh", "max") - affects model usage and response speed
reasoning_effort = "none"

# Temperature for main model responses (0.0-1.0)
temperature = 0.7

# Enable self-review loop to check and improve responses (increases API calls)
enable_self_review = false

# Maximum number of review passes when self-review is enabled
max_review_passes = 1

# Enable prompt refinement loop for improved prompt quality (increases processing time)
refine_prompts_enabled = false

# Maximum passes for prompt refinement when enabled
refine_prompts_max_passes = 1

# Optional alternate model for refinement (leave empty to use default)
refine_prompts_model = ""

# Maximum size of project documentation to include in context (in bytes)
project_doc_max_bytes = 16384

# Maximum size of instruction files to process (in bytes)
instruction_max_bytes = 16384

# List of additional instruction files to include in context
instruction_files = []

# Instruction files or globs to exclude from AGENTS/rules discovery
instruction_excludes = []

# Maximum recursive @import depth for instruction and rule files
instruction_import_max_depth = 5

# Durable per-repository memory for main sessions
[agent.persistent_memory]
enabled = false
auto_write = true
# directory_override = "/absolute/user-local/path"
# Startup scan budget for the compact memory summary
startup_line_limit = 200
startup_byte_limit = 25600

# Lightweight model helpers for lower-cost side tasks
[agent.small_model]
enabled = true
model = ""
temperature = 0.3
use_for_large_reads = true
use_for_web_summary = true
use_for_git_history = true
use_for_memory = true

# Inline prompt suggestions for the chat composer
[agent.prompt_suggestions]
# Enable Alt+P ghost-text suggestions in the composer
enabled = true

# Lightweight model for prompt suggestions (leave empty to auto-pick)
model = ""

# Lower values keep suggestions stable and completion-like
temperature = 0.3

# Show a one-time note that LLM-backed suggestions can consume tokens
show_cost_notice = true

# Onboarding configuration - Customize the startup experience
[agent.onboarding]
# Enable the onboarding welcome message on startup
enabled = true

# Custom introduction text shown on startup
intro_text = "Let's get oriented. I preloaded workspace context so we can move fast."

# Include project overview information in welcome
include_project_overview = true

# Include language summary information in welcome
include_language_summary = false

# Include key guideline highlights from AGENTS.md/CLAUDE.md
include_guideline_highlights = true

# Include usage tips in the welcome message
include_usage_tips_in_welcome = false

# Include recommended actions in the welcome message
include_recommended_actions_in_welcome = false

# Maximum number of guideline highlights to show
guideline_highlight_limit = 3

# List of usage tips shown during onboarding
usage_tips = [
    "Describe your current coding goal or ask for a quick status overview.",
    "Reference AGENTS.md/CLAUDE.md guidelines when proposing changes.",
    "Prefer asking for targeted file reads or diffs before editing.",
]

# List of recommended actions shown during onboarding
recommended_actions = [
    "Review the highlighted guidelines and share the task you want to tackle.",
    "Ask for a workspace tour if you need more context.",
]

# Checkpointing configuration for session persistence
[agent.checkpointing]
# Enable automatic session checkpointing
enabled = true

# Maximum number of checkpoints to keep on disk
max_snapshots = 50

# Maximum age of checkpoints to keep (in days)
max_age_days = 30

# Per-turn tool-call budget for the built-in agent harness
[agent.harness]
max_tool_calls_per_turn = 120

# Tool security configuration
[tools]
# Default policy when no specific policy is defined ("allow", "prompt", "deny")
# "allow" - Execute without confirmation
# "prompt" - Ask for confirmation
# "deny" - Block the tool
default_policy = "prompt"

# Maximum number of tool loops allowed per turn
# Set to 0 to disable the limit and let other turn safeguards govern termination.
max_tool_loops = 60

# Maximum number of repeated identical tool calls (prevents stuck loops)
max_repeated_tool_calls = 2

# Maximum consecutive blocked tool calls before force-breaking the turn
# Helps prevent high-CPU churn when calls are repeatedly denied/blocked
max_consecutive_blocked_tool_calls_per_turn = 8

# Maximum sequential spool-chunk reads per turn before nudging targeted extraction/summarization
max_sequential_spool_chunk_reads = 6

# Specific tool policies - Override default policy for individual tools
[tools.policies]
apply_patch = "prompt"            # Apply code patches (requires confirmation)
request_user_input = "allow"      # Ask focused user questions when the task requires it
task_tracker = "prompt"           # Create or update explicit task plans
exec_command = "prompt"           # Run commands; pipe-first by default, set tty=true for PTY/interactive sessions
write_stdin = "prompt"            # Send input to active command sessions
code_search = "allow"             # Advanced bounded literal search with query-led filters

# Command security - Define safe and dangerous command patterns
[commands]
# Commands that are always allowed without confirmation
allow_list = [
    "ls",           # List directory contents
    "pwd",          # Print working directory
    "git status",   # Show git status
    "git diff",     # Show git differences
    "cargo check",  # Check Rust code
    "echo",         # Print text
]

# Commands that are never allowed
deny_list = [
    "rm -rf /",        # Delete root directory (dangerous)
    "rm -rf ~",        # Delete home directory (dangerous)
    "shutdown",        # Shut down system (dangerous)
    "reboot",          # Reboot system (dangerous)
    "sudo *",          # Any sudo command (dangerous)
    ":(){ :|:& };:",   # Fork bomb (dangerous)
]

# Command patterns that are allowed (supports glob patterns)
allow_glob = [
    "git *",        # All git commands
    "cargo *",      # All cargo commands
    "python -m *",  # Python module commands
]

# Command patterns that are denied (supports glob patterns)
deny_glob = [
    "rm *",         # All rm commands
    "sudo *",       # All sudo commands
    "chmod *",      # All chmod commands
    "chown *",      # All chown commands
    "kubectl *",    # All kubectl commands (admin access)
]

# Regular expression patterns for allowed commands (if needed)
allow_regex = []

# Regular expression patterns for denied commands (if needed)
deny_regex = []

# Security configuration - Safety settings for automated operations
[security]
# Require human confirmation for potentially dangerous actions
human_in_the_loop = true

# Require explicit write tool usage for claims about file modifications
require_write_tool_for_claims = true

# Auto-apply patches without prompting (DANGEROUS - disable for safety)
auto_apply_detected_patches = false

# UI configuration - Terminal and display settings
[ui]
# Enable reduced-motion presentation explicitly. When omitted, VT Code honors
# VTCODE_REDUCE_MOTION first, then supported OS accessibility preferences.
# reduce_motion_mode = true
# To keep progress animation in reduced-motion mode, set this to true.
# reduce_motion_keep_progress_animation = false

# Tool output display mode
# "compact" - Concise tool output
# "full" - Detailed tool output
tool_output_mode = "compact"

# Tool transition summary display mode
# "compact" - Render one compact summary per call and keep live PTY output bounded
# "expanded" - Render the expanded summary layout per call
tool_display_mode = "compact"

# Maximum number of lines to display in tool output (prevents transcript flooding)
# Lines beyond this limit are truncated to a tail preview
tool_output_max_lines = 600

# Maximum bytes threshold for spooling tool output to disk
# Output exceeding this size is written to .vtcode/tool-output/*.log
tool_output_spool_bytes = 200000

# Optional custom directory for spooled tool output logs
# If not set, defaults to .vtcode/tool-output/
# tool_output_spool_dir = "/path/to/custom/spool/dir"

# Allow ANSI escape sequences in tool output (enables colors but may cause layout issues)
allow_tool_ansi = false

# Number of rows to allocate for inline UI viewport
inline_viewport_rows = 16

# Show elapsed time divider after each completed turn
show_turn_timer = false

# Show warning/error/fatal diagnostic lines directly in transcript
# Effective in debug/development builds only
show_diagnostics_in_transcript = false

# Show timeline navigation panel
show_timeline_pane = false

# Runtime notification preferences
[ui.notifications]
# Master toggle for terminal/desktop notifications
enabled = true

# Delivery mode: "terminal", "hybrid", or "desktop"
delivery_mode = "desktop"

# Preferred desktop backend: "auto", "osascript", "notify_rust", or "terminal"
backend = "auto"

# Suppress notifications while terminal is focused
suppress_when_focused = true

# Failure/error notifications
command_failure = false
tool_failure = false
error = true

# Completion notifications
# Legacy master toggle (fallback for split settings when unset)
completion = true
completion_success = false
completion_failure = true

# Human approval/interaction notifications
hitl = true
policy_approval = true
request = false

# Success notifications for tool call results
tool_success = false

# Repeated notification suppression
repeat_window_seconds = 30
max_identical_in_window = 1

# Status line configuration
[ui.status_line]
# Status line mode ("auto", "command", "hidden")
mode = "auto"

# Show current system time (HH:MM:SS) on the status line
show_clock = true

# How often to refresh status line (milliseconds)
refresh_interval_ms = 2000

# Timeout for command execution in status line (milliseconds)
command_timeout_ms = 200

# Terminal title configuration
[ui.terminal_title]
# Ordered terminal title items (empty list disables VT Code-managed titles)
items = ["spinner", "project"]

# Enable Vim-style prompt editing in interactive mode
vim_mode = false

# PTY (Pseudo Terminal) configuration - For interactive command execution
[pty]
# Enable PTY support for interactive commands
enabled = true

# Default number of terminal rows for PTY sessions
default_rows = 24

# Default number of terminal columns for PTY sessions
default_cols = 80

# Maximum number of concurrent PTY sessions
max_sessions = 10

# Command timeout in seconds (prevents hanging commands)
command_timeout_seconds = 300

# Number of recent lines to show in PTY output
stdout_tail_lines = 20

# Total lines to keep in PTY scrollback buffer
scrollback_lines = 400

# Optional preferred shell for PTY sessions (falls back to $SHELL when unset)
# preferred_shell = "/bin/zsh"

# Route shell execution through zsh EXEC_WRAPPER intercept hooks (feature-gated)
shell_zsh_fork = false

# Absolute path to patched zsh used when shell_zsh_fork is enabled
# zsh_path = "/usr/local/bin/zsh"

# Context management configuration - Controls conversation memory
[context]
# Session prompt safety budget used by automatic compaction.
# Set to 0 to derive the effective budget from the resolved model/provider
# capacity; positive values remain an explicit session safety ceiling.
max_context_tokens = 0

# Percentage to trim context to when it gets too large
trim_to_percent = 60

# Number of recent conversation turns to always preserve
preserve_recent_turns = 6

# Decision ledger configuration - Track important decisions
[context.ledger]
# Enable decision tracking and persistence
enabled = true

# Maximum number of decisions to keep in ledger
max_entries = 12

# Include ledger summary in model prompts
include_in_prompt = true

# Preserve ledger during context compression
preserve_in_compression = true

# AI model routing - Intelligent model selection
# Telemetry and analytics
[telemetry]
# Enable trajectory logging for usage analysis
trajectory_enabled = true

# Syntax highlighting configuration
[syntax_highlighting]
# Enable syntax highlighting for code in tool output
enabled = true

# Theme for syntax highlighting
theme = "base16-ocean.dark"

# Cache syntax highlighting themes for performance
cache_themes = true

# Maximum file size for syntax highlighting (in MB)
max_file_size_mb = 10

# Programming languages to enable syntax highlighting for
enabled_languages = [
    "rust",
    "python",
    "javascript",
    "typescript",
    "go",
    "java",
    "bash",
    "sh",
    "shell",
    "zsh",
    "markdown",
    "md",
]

# Timeout for syntax highlighting operations (milliseconds)
highlight_timeout_ms = 1000

# Automation features - Full-auto permission review settings
[automation.full_auto]
# Enable full automation mode (DANGEROUS - requires careful oversight)
enabled = false

# Maximum number of turns before asking for human input
max_turns = 100

# Tools allowed in full automation mode
allowed_tools = [
    "write_file",
    "read_file",
    "list_files",
    "grep_file",
]

# Require profile acknowledgment before using full auto
require_profile_ack = true

# Grant tool-loop and session tool-call limit increases without prompting
auto_grant_tool_limits = true

# Path to full auto profile configuration
profile_path = "automation/full_auto_profile.toml"

[automation.scheduled_tasks]
# Enable cron tools and durable `vtcode schedule` jobs
enabled = false

# Prompt caching - Cache model responses for efficiency
[prompt_cache]
# Enable prompt caching (reduces API calls for repeated prompts)
enabled = true

# Maximum number of cache entries to keep
max_entries = 1000

# Maximum age of cache entries (in days)
max_age_days = 30

# Enable automatic cache cleanup
enable_auto_cleanup = true

# Minimum quality threshold to keep cache entries
min_quality_threshold = 0.7

# Keep volatile runtime counters at the end of system prompts to improve provider-side prefix cache reuse
# (enabled by default; disable only if you need legacy prompt layout)
cache_friendly_prompt_shaping = true

# Prompt cache configuration for OpenAI
    [prompt_cache.providers.openai]
    enabled = true
    min_prefix_tokens = 1024
    idle_expiration_seconds = 3600
    surface_metrics = true
    # Routing key strategy for OpenAI prompt cache locality.
    # "session" creates one stable key per VT Code conversation.
    prompt_cache_key_mode = "session"
    # Optional: server-side prompt cache retention for OpenAI Responses API
    # Supported values: "in_memory" or "24h" (leave commented out for default behavior)
    # prompt_cache_retention = "24h"

# Prompt cache configuration for Anthropic
[prompt_cache.providers.anthropic]
enabled = true
default_ttl_seconds = 300
extended_ttl_seconds = 3600
max_breakpoints = 4
cache_system_messages = true
cache_user_messages = true

# Prompt cache configuration for Gemini
[prompt_cache.providers.gemini]
enabled = true
mode = "implicit"
min_prefix_tokens = 1024
explicit_ttl_seconds = 3600

# Prompt cache configuration for OpenRouter
[prompt_cache.providers.openrouter]
enabled = true
propagate_provider_capabilities = true
report_savings = true

# Prompt cache configuration for Moonshot
[prompt_cache.providers.moonshot]
enabled = true

# Prompt cache configuration for DeepSeek
[prompt_cache.providers.deepseek]
enabled = true
surface_metrics = true

# Prompt cache configuration for Z.AI
[prompt_cache.providers.zai]
enabled = false

# Model Context Protocol (MCP) - Connect external tools and services
[mcp]
# Enable Model Context Protocol (may impact startup time if services unavailable)
enabled = true
max_concurrent_connections = 5
request_timeout_seconds = 30
retry_attempts = 3

# MCP UI configuration
[mcp.ui]
mode = "compact"
max_events = 50
show_provider_names = true

# MCP renderer profiles for different services
[mcp.ui.renderers]
sequential-thinking = "sequential-thinking"
context7 = "context7"

# MCP provider configuration - External services that connect via MCP
[[mcp.providers]]
name = "time"
command = "uvx"
args = ["mcp-server-time"]
enabled = true
max_concurrent_requests = 3
[mcp.providers.env]

# Agent Client Protocol (ACP) - IDE integration
[acp]
enabled = true

[acp.zed]
enabled = true
transport = "stdio"
# workspace_trust controls ACP trust mode: "tools_policy" (prompts) or "full_auto" (no prompts)
workspace_trust = "full_auto"

[acp.zed.tools]
read_file = true
list_files = true