systemprompt-templates 0.0.14

Template registry and management for systemprompt.io
Documentation 
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# systemprompt-templates Tech Debt Audit

**Layer:** Domain
**Audited:** 2026-01-21
**Verdict:** CLEAN

---

## Summary

| Category | Status | Issues |
|----------|--------|--------|
| Architecture | ✅ | 0 |
| Rust Standards | ✅ | 0 |
| Code Quality | ✅ | 0 |
| Tech Debt | ✅ | 0 |

**Total Issues:** 0

---

## Critical Violations

None

---

## Warnings

None - all naming convention issues have been fixed.

---

## Tech Debt Items

| Location | Description | Priority |
|----------|-------------|----------|
| N/A | Crate structure differs from standard domain crate pattern (no repository/, services/, schema/) - acceptable as this is a pure in-memory registry without database persistence | Low |

---

## Architectural Notes

This crate is classified as a Domain crate but differs from typical domain crates:

- **No SQL/Database**: Pure in-memory template registry
- **No Repository Layer**: Templates loaded from filesystem, not persisted
- **No Services Layer**: Registry itself acts as the service

This is acceptable because:
1. Templates are loaded from filesystem via `TemplateLoader` trait implementations
2. No database persistence is needed for template definitions
3. The crate provides domain logic for template resolution and rendering

**Dependencies:** Only `systemprompt-template-provider` from shared layer (correct)

---

## Commands Executed

```
cargo clippy -p systemprompt-templates -- -D warnings  # PASS
cargo fmt -p systemprompt-templates -- --check         # PASS
```

---

## File Metrics

| File | Lines | Status |
|------|-------|--------|
| lib.rs | 16 | ✅ |
| error.rs | 34 | ✅ |
| builder.rs | 93 | ✅ |
| core_provider.rs | 164 | ✅ |
| registry.rs | 290 | ✅ |

All files under 300 line limit.

---

## Zero-Tolerance Checklist

- [x] Zero inline comments (`//`)
- [x] Zero doc comments (`///`)
- [x] Zero `unwrap()` calls
- [x] Zero `panic!()`, `todo!()`, `unimplemented!()`
- [x] Zero `unsafe` blocks
- [x] Zero raw String IDs (N/A - no IDs used)
- [x] Zero non-macro SQLX calls (N/A - no SQL)
- [x] Zero SQL in service files (N/A - no services)
- [x] Zero forbidden dependencies for layer
- [x] Zero `#[cfg(test)]` modules
- [x] Zero `println!`/`eprintln!`/`dbg!` in library code
- [x] Zero TODO/FIXME/HACK comments
- [x] Clippy passes with `-D warnings`
- [x] Formatting passes `cargo fmt --check`

---

## Code Quality Checklist

- [x] All files under 300 lines
- [x] All functions under 75 lines
- [x] All functions have <=5 parameters
- [x] No silent error swallowing (`.ok()` without context)
- [x] No `unwrap_or_default()` usage
- [x] No hardcoded fallback values
- [x] No direct `env::var()` access
- [x] Builder pattern for complex types (TemplateRegistryBuilder)
- [x] Domain-specific error types with `thiserror`
- [x] Proper constants for magic numbers (DEFAULT_PRIORITY, EXTENSION_PRIORITY)

---

## Required Actions

### Before crates.io Publication

None - ready for publication

### Recommended Improvements

None - all issues have been addressed.

---

## Verdict Criteria

**CLEAN**: Zero critical violations, ready for crates.io