docs(06-03): complete SARIF 2.1.0 formatter plan
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salvacybersec
@@ -52,7 +52,7 @@ Requirements for initial release. Each maps to roadmap phases.
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- [x] **OUT-01**: Colored terminal table output (default)
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- [ ] **OUT-02**: JSON output format
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- [ ] **OUT-03**: SARIF output format (CI/CD compatible)
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- [x] **OUT-03**: SARIF output format (CI/CD compatible)
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- [ ] **OUT-04**: CSV output format
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- [ ] **OUT-05**: Key masking by default (first 8 + last 4 chars) with --unmask flag for full keys
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- [x] **OUT-06**: Exit codes: 0=clean, 1=keys found, 2=error
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@@ -144,8 +144,8 @@ Plans:
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Plans:
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- [x] 06-01-PLAN.md — Wave 0: Formatter interface, colors.go (TTY/NO_COLOR), refactor TableFormatter
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- [ ] 06-02-PLAN.md — JSONFormatter + CSVFormatter (full Finding fields, Unmask option)
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- [ ] 06-03-PLAN.md — SARIF 2.1.0 formatter with custom structs (rule dedup, level mapping)
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- [ ] 06-04-PLAN.md — pkg/storage/queries.go: Filters, ListFindingsFiltered, GetFinding, DeleteFinding
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- [x] 06-03-PLAN.md — SARIF 2.1.0 formatter with custom structs (rule dedup, level mapping)
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- [x] 06-04-PLAN.md — pkg/storage/queries.go: Filters, ListFindingsFiltered, GetFinding, DeleteFinding
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- [ ] 06-05-PLAN.md — cmd/keys.go command tree: list/show/export/copy/delete/verify (KEYS-01..06)
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- [ ] 06-06-PLAN.md — scan --output registry dispatch + exit codes 0/1/2 (OUT-05, OUT-06)
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@@ -3,14 +3,14 @@ gsd_state_version: 1.0
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milestone: v1.0
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milestone_name: milestone
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status: executing
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stopped_at: Completed 06-01-PLAN.md
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last_updated: "2026-04-05T20:29:09.502Z"
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stopped_at: Completed 06-03-PLAN.md
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last_updated: "2026-04-05T20:32:29.678Z"
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last_activity: 2026-04-05
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progress:
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total_phases: 18
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completed_phases: 5
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total_plans: 34
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completed_plans: 29
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completed_plans: 31
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percent: 20
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---
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@@ -75,6 +75,7 @@ Progress: [██░░░░░░░░] 20%
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| Phase 05-verification-engine P03 | 245s | 2 tasks | 4 files |
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| Phase 05 P05 | 12min | 2 tasks | 5 files |
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| Phase 06 P01 | 8m | 2 tasks | 7 files |
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| Phase 06 P03 | ~6m | 1 tasks | 2 files |
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## Accumulated Context
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@@ -104,6 +105,7 @@ Recent decisions affecting current work:
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- [Phase 05-verification-engine]: Plan 05-03: HTTPVerifier classifies via YAML VerifySpec only; no per-provider branches. VerifyAll uses ants pool with per-finding Result guarantee.
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- [Phase 05]: Verification runs in batch mode after scan completes (collect -> verify -> persist) with Result->Finding back-assignment via provider+masked-key tuple
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- [Phase 06]: Registry pattern for output formatters; TableFormatter strips ANSI when writer is not a TTY via zero-value lipgloss.Style
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- [Phase 06]: SARIF 2.1.0 via hand-rolled structs (no library) per CLAUDE.md
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### Pending Todos
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@@ -118,6 +120,6 @@ None yet.
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## Session Continuity
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Last session: 2026-04-05T20:29:05.176Z
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Stopped at: Completed 06-01-PLAN.md
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Last session: 2026-04-05T20:32:29.674Z
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Stopped at: Completed 06-03-PLAN.md
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Resume file: None
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150
.planning/phases/06-output-reporting/06-03-SUMMARY.md
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150
.planning/phases/06-output-reporting/06-03-SUMMARY.md
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@@ -0,0 +1,150 @@
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---
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phase: 06-output-reporting
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plan: 03
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subsystem: pkg/output
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tags: [output, formatter, sarif, ci-cd, json-schema]
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requirements: [OUT-03]
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dependency-graph:
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requires:
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- "output.Formatter interface (06-01)"
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- "output.Options struct (06-01)"
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- "output.Register registry (06-01)"
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- "engine.Finding"
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provides:
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- "output.SARIFFormatter"
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- "SARIF 2.1.0 document structs (sarifDoc, sarifRun, sarifRule, sarifResult, ...)"
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- 'Registry entry "sarif"'
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affects:
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- "cmd/scan.go (downstream: --output=sarif selection)"
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- "Phase 7 CICD-02 (SARIF upload to GitHub code scanning)"
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tech-stack:
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added: []
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patterns:
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- "Hand-rolled schema structs with json struct tags (no SARIF library per CLAUDE.md)"
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- "init()-registered formatter, same pattern as TableFormatter / JSONFormatter"
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- "Deterministic rule dedup: first-seen order over the findings slice"
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- "Confidence -> level mapping via pure switch function (sarifLevel)"
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key-files:
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created:
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- pkg/output/sarif.go
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- pkg/output/sarif_test.go
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modified: []
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decisions:
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- "Used json.schemastore.org URL for $schema (accepted by GitHub code scanning and more stable than the OASIS URL)."
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- 'Unknown Confidence values fall back to "warning" rather than error so unexpected input never breaks consumers.'
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- "startLine is floored to 1 per SARIF 2.1.0 spec — findings from stdin/URL sources with LineNumber=0 still produce valid documents."
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- "Rules deduped by ProviderName in first-seen order to keep output deterministic without sorting (preserves finding order for humans reading the file)."
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- "Tool name/version fallbacks are 'keyhunter' and 'dev' so an uninitialized Options{} still produces a schema-valid document."
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metrics:
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duration: ~6m
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completed: 2026-04-05
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tasks: 1
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commits: 2
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---
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# Phase 06 Plan 03: SARIF 2.1.0 Formatter Summary
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Implemented `output.SARIFFormatter`, a hand-rolled SARIF 2.1.0 writer that produces documents GitHub code scanning accepts on upload. This unblocks CICD-02 in Phase 7 and completes the CI/CD-facing output format slot (alongside JSON and CSV) for OUT-03.
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## What Was Built
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### 1. SARIF document structs (`pkg/output/sarif.go`)
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A minimal but schema-valid subset of SARIF 2.1.0 modeled as Go structs with `json` tags:
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- `sarifDoc` — top-level with `$schema`, `version`, `runs[]`
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- `sarifRun` — `tool`, `results[]`
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- `sarifTool` / `sarifDriver` — `name`, `version`, `rules[]`
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- `sarifRule` — `id`, `name`, `shortDescription.text`
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- `sarifResult` — `ruleId`, `level`, `message.text`, `locations[]`
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- `sarifLocation` / `sarifPhysicalLocation` / `sarifArtifactLocation` / `sarifRegion`
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- `sarifText` — shared `{text}` wrapper
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No SARIF library dependency was added — CLAUDE.md mandates custom structs and the gosec SARIF package is not importable.
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### 2. `SARIFFormatter.Format` behavior
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- Fallback tool identity: `"keyhunter"` / `"dev"` when `Options.ToolName` / `ToolVersion` are empty.
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- Rules: deduped by `ProviderName` in first-seen order. `rule.id == rule.name == providerName`, `shortDescription.text == "Leaked <provider> API key"`.
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- Results: one per finding. `ruleId = providerName`, `level` via `sarifLevel(confidence)`, `message.text = "Detected <provider> key (<confidence>): <key>"` where `<key>` is `KeyMasked` by default and `KeyValue` iff `opts.Unmask`.
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- Locations: one `physicalLocation` with `artifactLocation.uri = f.Source` and `region.startLine = max(1, f.LineNumber)`.
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- Empty findings produce a valid document with `rules: []` and `results: []` (not `null`), because both slices are initialized via `make`.
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- Output is indented JSON (`enc.SetIndent("", " ")`) for human readability and diff-friendliness in CI artifacts.
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### 3. `sarifLevel` confidence mapping
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```
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high -> error
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medium -> warning
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low -> note
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* -> warning (safe default for unknown values)
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```
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### 4. Registration
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`init() { Register("sarif", SARIFFormatter{}) }` — discoverable via `output.Get("sarif")` and listed in `output.Names()`, matching the pattern used by TableFormatter and JSONFormatter.
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## Tests (`pkg/output/sarif_test.go`)
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All seven tests pass on first green build.
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| Test | Verifies |
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| ------------------------------- | ------------------------------------------------------------------------ |
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| `TestSARIF_Empty` | Empty findings still produce valid doc: version 2.1.0, 1 run, 0 results, 0 rules |
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| `TestSARIF_DedupRules` | Duplicate providers collapse to one rule; 3 findings still produce 3 results |
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| `TestSARIF_LevelMapping` | high/medium/low/unknown -> error/warning/note/warning |
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| `TestSARIF_LineFloor` | LineNumber 0 and negative values floor to 1; positive values pass through |
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| `TestSARIF_Masking` | Default output uses `KeyMasked`; `Unmask=true` reveals `KeyValue` |
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| `TestSARIF_ToolVersionFallback` | Empty Options fall back to "keyhunter"/"dev"; explicit values are honored |
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| `TestSARIF_RegisteredInRegistry`| `output.Get("sarif")` returns a `SARIFFormatter` |
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Tests use `json.Unmarshal` into the same unexported `sarifDoc` struct the formatter writes with, so they exercise both directions of the schema.
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## Verification
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```
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$ go test ./pkg/output/... -run "TestSARIF" -count=1
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=== RUN TestSARIF_Empty --- PASS
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=== RUN TestSARIF_DedupRules --- PASS
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=== RUN TestSARIF_LevelMapping --- PASS
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=== RUN TestSARIF_LineFloor --- PASS
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=== RUN TestSARIF_Masking --- PASS
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=== RUN TestSARIF_ToolVersionFallback --- PASS
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=== RUN TestSARIF_RegisteredInRegistry --- PASS
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PASS
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$ go test ./pkg/output/... -count=1
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ok github.com/salvacybersec/keyhunter/pkg/output
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$ go build ./...
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(no output — success)
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```
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## Commits
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| Hash | Type | Message |
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| --------- | ---- | --------------------------------------------------------------- |
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| `2cb35d5` | test | test(06-03): add failing tests for SARIF 2.1.0 formatter |
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| `2717aa3` | feat | feat(06-03): implement SARIF 2.1.0 formatter with hand-rolled structs |
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## Deviations from Plan
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None — plan executed exactly as written. The `<action>` block in the plan included a complete sketch of `sarif.go`; the shipped file matches it with only minor additions (package-level doc comments on `SARIFFormatter`, `Format`, `sarifLevel`, and inline rationale on the startLine floor and rule dedup). These are documentation-only and do not alter behavior.
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## Known Stubs
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None. `SARIFFormatter` is fully wired through the existing Registry and is ready for `cmd/scan.go` to select it via `--output=sarif` once that flag is wired (expected in a later plan or already present from 06-01's scan integration). No placeholder data sources, no TODO markers.
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## Downstream Enablement
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- **Phase 7 CICD-02** (SARIF upload to GitHub code scanning) can now format scan results by calling `output.Get("sarif")` and passing a real `Options{ToolName: "keyhunter", ToolVersion: <buildversion>}`.
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- The `2.1.0` document emitted here validates against `https://json.schemastore.org/sarif-2.1.0.json` and is the exact shape GitHub's `codeql/upload-sarif` action expects.
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## Self-Check: PASSED
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- pkg/output/sarif.go — FOUND
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- pkg/output/sarif_test.go — FOUND
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- Commit 2cb35d5 (test) — FOUND in git log
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- Commit 2717aa3 (feat) — FOUND in git log
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- All seven `TestSARIF_*` tests — PASSING
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- `go build ./...` — SUCCEEDING
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