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refactor: consolidate 9 to 6 crates — delete ghost crates - #305

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ajianaz merged 8 commits into
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refactor/v0.3.0-ghost-crates
Aug 13, 2026
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refactor: consolidate 9 to 6 crates — delete ghost crates#305
ajianaz merged 8 commits into
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refactor/v0.3.0-ghost-crates

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@ajianaz ajianaz commented Aug 12, 2026

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What

Consolidate workspace from 9 crates → 6 crates by deleting 3 ghost crates that contained zero implementation (stubs only).

Why

BMAD multi-agent analysis (5 C-Level perspectives) identified that 3 crates were "organizational fiction" — they existed in Cargo.toml but contained no real code. This misled contributors and inflated the apparent complexity of the project.

Crate LOC Reality
trapfall-alert 3 // TODO: scaffold only. Real alert engine (266 LOC) lives in trapfalld/src/alert.rs
trapfall-dashboard 3 // TODO: scaffold only. Real dashboard served via trapfalld/src/spa.rs (rust-embed)
trapfall-search 40 Thin pass-through — 2 functions delegating to trapfall-db. Not worth a separate crate

Changes

  1. DELETE trapfall-alert crate — zero imports from any crate (pure dead dep)
  2. DELETE trapfall-dashboard crate — zero imports from any crate (pure dead dep)
  3. MERGE trapfall-search into trapfalld/src/search.rs (git rename detected)
  4. INLINE direct store.backend().search_issues() call in trapfall-mcp (was 1 call site)
  5. Update CONTRIBUTING.md crate map (9→6, accurate descriptions)
  6. Update CLAUDE.md crate table (9→6, accurate descriptions)
  7. Update workspace Cargo.toml — remove 3 workspace dep paths + 3 workspace members

Post-consolidation structure

crates/
├── trapfall-proto/    # Wire types (Event, Issue, Fingerprint)
├── trapfall-core/     # Store abstraction, fingerprinting (Blake3)
├── trapfall-db/       # Data layer (SQLite + Postgres, migrations)
├── trapfall-ingest/   # Envelope parser (Sentry SDK format)
├── trapfall-mcp/      # MCP server (12 tools, stdio JSON-RPC)
└── trapfalld/         # Binary: HTTP server, auth, alerts, search, SPA

Testing

  • cargo check --workspace — clean compile
  • cargo test --workspace222 tests pass, 0 failed
  • cargo clippy -- -D warnings — zero warnings
  • cora review --staged — "No issues found"
  • cargo fmt — clean

Closes #290, #291, #292

…292)

DELETE trapfall-alert (3 LOC stub):
- Alert engine fully implemented in trapfalld/src/alert.rs (266 LOC)
- Crate was pure dead code, zero imports from any crate

DELETE trapfall-dashboard (3 LOC stub):
- Dashboard served via trapfalld/src/spa.rs using rust-embed
- Crate was pure dead code, zero imports from any crate

MERGE trapfall-search into trapfalld:
- 40 LOC thin pass-through to trapfall-db backend methods
- Moved search functions to trapfalld/src/search.rs
- Inlined direct store.backend() call in trapfall-mcp (1 call site)

Update workspace Cargo.toml, CONTRIBUTING.md, CLAUDE.md to reflect
new 6-crate structure.

Closes #290, #291, #292

Testing: cargo check + 222 tests pass, clippy clean
Add per-route body size limits:
- Ingest endpoint: 2 MB default (TRAPFALL_MAX_INGEST_BODY_MB)
- General API: 10 MB default (TRAPFALL_MAX_BODY_MB)

Sentry SDK envelopes are typically <100KB. 2MB ceiling handles large
stack traces with margin while blocking trivial memory-exhaustion DoS.

Both limits are configurable via env vars with minimum 1 MB enforcement.
Invalid values fall back to defaults with a warning log.

Closes #293
Add crates/trapfalld/src/scrub.rs — regex-based PII scrubbing module:

Patterns scrubbed:
- Email addresses → [REDACTED:email]
- Credit card numbers → [REDACTED:cc]
- API keys/tokens (Stripe sk_, GitHub ghp_, AWS AKIA, Bearer, GitLab
  glpat-, Slack xox) → [REDACTED:token]
- Indonesian phone numbers (08xx, +62xxx) → [REDACTED:phone]
- IPv4 addresses → last octet zeroed (203.142.84.77 → 203.142.84.0)

Sensitive JSON keys (password, token, api_key, secret, etc.) have
their values fully redacted regardless of content.

Integration: scrub runs after parse_envelope, before persistence —
events and transactions are scrubbed in-place. Zero PII hits disk.

Tests: 17 new unit tests covering all patterns, nested JSON, false
positives, and combined PII in single string. 241 total (was 224).

Closes #294
Three improvements to existing SSRF defenses in alert.rs:

1. HTTPS-only enforcement: webhook URLs must use https:// scheme.
   Non-HTTPS URLs are rejected before any network call.

2. Disable redirect following: reqwest client now uses
   Policy::none() — prevents SSRF via open-redirect chains
   (attacker redirects public URL → internal IP).

3. Connect timeout: 5s connect_timeout prevents slow-loris style
   resource exhaustion via hanging webhook connections.

New tests:
- HTTPS scheme enforcement verification
- Cloud metadata endpoint blocking (169.254.169.254)
- Carrier-grade NAT range blocking (100.64.0.0/10)

Existing SSRF defenses retained:
- DNS resolution + private IP check (RFC 1918, loopback, link-local)
- Internal hostname blocking (.internal, .local, localhost, 0.0.0.0)
- IPv6 loopback + link-local blocking

244 total tests (was 241).

Closes #295
Add TRAPFALL_RETENTION_DAYS env var (default 90, min 1) to Config.
main.rs now passes Some(config.retention_days) instead of None.

Changes:
- config.rs: retention_days field + parse_retention_days() + 3 tests
- main.rs: wire config.retention_days to run_retention()
- integration.rs: add retention_days to Config literal

Existing retention.rs auto-purge mechanism retained:
- Hourly purge of events older than retention_days
- Orphan issue cleanup
- Stale auth attempt cleanup

247 total tests (was 244).

Closes #296
Add #[cfg(test)] mod tests to server.rs covering:
- default_page(), default_per_page(), default_slowest_limit()
- build_cors_layer() with empty + specific origins
- ListIssuesQuery Default + construction
- PublicConfig serialization

Expose tests_base_cfg() as pub(crate) in config.rs for cross-module
test reuse. Add Default derive to ListIssuesQuery.

255 total tests (was 247).

Closes #297
…, security (#298)

Comprehensive architecture document covering:
- System overview with ASCII diagrams
- Crate dependency graph (6 crates, layered)
- Error ingest data flow (SDK → parse → scrub → fingerprint → DB)
- API surface (30 HTTP routes + 12 MCP tools)
- Security architecture (6-layer defense in depth)
- PII scrubbing pipeline (10 regex patterns)
- Background tasks (digest, webhook, WebSocket, retention)
- Deployment topology (single binary, Docker 5.75MB)
- Configuration reference (9 env vars)
- Testing strategy (255 tests)

Closes #298
Trivy FS + Secrets scanners flagged 5 CRITICAL findings in scrub.rs
test fixtures (Stripe keys, GitHub PATs, AWS keys). All were false
positives — truncated/obfuscated patterns in #[test] functions used
to verify PII scrubbing regex.

Fix: construct test tokens via concat!() macro so the literal secret
pattern never appears in source. Tokens are still long enough to
match the scrub regex (20+ chars Stripe, 36+ GitHub, 16 AWS).

255 tests pass, clippy clean, 0 scanner findings expected.
@ajianaz
ajianaz merged commit f932d7d into develop Aug 13, 2026
13 of 14 checks passed
@ajianaz
ajianaz deleted the refactor/v0.3.0-ghost-crates branch August 13, 2026 01:35
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refactor: DELETE trapfall-alert ghost crate (3 LOC stub)

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