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docs(repomap): package-level README, doc.go, and per-file comments - #52

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docs/repomap-2026-06
Jun 17, 2026
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docs(repomap): package-level README, doc.go, and per-file comments#52
Patel230 merged 9 commits into
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docs/repomap-2026-06

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Summary

Adds documentation to the previously-undocumented hawk/internal/intelligence/repomap/ package (62 files) per the post-merge cleanup plan.

This PR:

  • New doc.go (67 lines) with go-doc compatible overview explaining the dual-package split
  • New README.md (288 lines) with architecture overview and entry-point map
  • Updated package comment in internal/context/repomap/repomap.go spelling out the boundary with the deep package
  • Added leading comments to 33 files across Core, Symbols, Static analysis, Search/Navigation, Quality signals, API surface, Incremental, and Grouping groups
  • Worked doc_test.go example (108 lines) showing the basic Generate → output flow

Verification

  • gofmt -l internal/intelligence/repomap/: clean
  • go vet ./internal/intelligence/repomap/...: clean
  • go test -count=1 -run TestExampleGenerate_isRunnable ./internal/intelligence/repomap/...: PASS
  • go doc ./internal/intelligence/repomap produces sensible per-file output
  • 8 git-dependent tests are skipped (they require git init which is blocked in the sandbox; same tests fail on main, so the failures are pre-existing and sandbox-induced, not caused by this PR)

Test plan

  • CI green (markdown, format, vet, module hygiene)
  • go doc ./internal/intelligence/repomap reads well
  • go test ./internal/intelligence/repomap/... passes in CI

This is docs-only — no logic changes.

Made with Cursor

Cursor Agent and others added 9 commits June 17, 2026 15:37
…/context/repomap

A go-doc compatible overview that supersedes the previous 3-line package
comment on repomap.go (kept for backward compatibility). It documents:

- the package's role as the deep code-analysis engine (call graph, search,
  quality signals, API scanning, incremental indexing)
- the dual-package relationship with internal/context/repomap, which is the
  prompt-injection shim and shares no code with this package
- the stdlib-only core (no CGO, no tree-sitter binary)
- extension points: new language parsers, new smell heuristics, new HTTP
  framework scanners
- performance and scaling notes (MaxFiles cap, in-process LRU cache,
  persistent IncrementalMap at .hawk/repomap-cache.json)
… signals, API surface, and Incremental files (16 files)

Each comment is a 1-3 line description of what the file does, written
so that 'go doc' on any file in the package produces a useful summary.
Comments are deliberately concise; the deeper architecture overview lives
in doc.go and README.md.

Files in this commit:
- Core/cache.go              in-process LRU symbol cache
- Core/gitignore.go          composed .gitignore rule walker
- Core/watcher.go            fsnotify wrapper
- Symbols/parser.go          original regex-based Go extractor
- Symbols/parser_enhanced.go AST-based Go extractor
- Symbols/parser_langs.go    regex extractors for non-Go languages
- Symbols/treesitter.go      tree-sitter-style scope-aware extractor
- Symbols/patterns.go        index include/exclude pattern loader
- Static/callgraph.go        Go caller/callee graph from go/ast
- Static/depgraph.go         package-level dep graph (go.mod + package.json)
- Static/imports.go          file-level import graph
- Static/hierarchy.go        project -> package -> file 3-level summary
- Static/interface_extract.go exported API surface (signatures only)
- Static/cochange.go         git-history co-change matrix
- Static/changeset.go        change-set-aware working set from git diff
- Static/ownership.go        git + CODEOWNERS ownership map
- Quality/smells.go          design smell detectors
- Quality/complexity.go      cyclomatic complexity
- Quality/health_score.go    weighted health-score rollup
- Quality/doclint.go         doc-comment coverage
- Quality/dead_code.go       unreferenced declaration detector
- Quality/migration_detector.go deprecated-API migration suggestions
- API/api_scanner.go         HTTP route scanners + OpenAPI export
- Incr/incremental.go        CodeIndexer interface and reindex loop
- Incr/incremental_map.go    persistent on-disk symbol cache
…g Symbols files (18 files)

Second batch of file-level leading comments, covering the Search and
navigation files (BM25, PageRank, reranking, prediction, change-set
context), the Grouping file (file_grouper, summary), and the remaining
Symbols files (parser, parser_enhanced, parser_langs, treesitter,
patterns, watcher). Each comment is intentionally short; see doc.go and
README.md for the architecture overview.
…ion shim

The previous package comment described what the package did but did not
call out the boundary with internal/intelligence/repomap, which is the
deeper analysis engine. The two packages share no code and serve
different callers (this one is the context layer's narrow budgeted-map
entry point; the other is the full analysis toolkit). The new comment
makes the boundary explicit, points readers at the deep package for
symbol-level search / quality / API features, and adds implementation
notes on the PageRank pass and file-size limits.
The README is the human-facing entry point for the package. It contains:

- One-paragraph overview (what Generate does, what else lives here)
- Architecture diagram (mermaid) of the file groups and their data flow
- File-group table mapping every group to its files and purpose
- Entry-point map listing the headline public APIs by group
- Storage model (in-process LRU, persistent .hawk/repomap-cache.json,
  fsnotify watch protocol)
- Extension points: how to add a new language parser, a new code smell,
  a new HTTP framework scanner
- Performance characteristics and known scaling limits per subsystem
- A pointer to doc.go (machine-readable) and doc_test.go (worked
  example), plus the cross-reference back to internal/context/repomap
Adds ExampleGenerate (a godoc-consumable worked example) and
TestExampleGenerate_isRunnable (the actual validator for 'go test').
The example is callable but the output depends on a temp directory path
that is not stable across runs, so the example function intentionally
omits a '// Output:' comment. The test function is the source of truth.

The example walks through the full primary use case:
- create a tiny project under t.TempDir() with one Go and one Python file
- call Generate with explicit Options
- render the result with Format
- assert the output is non-empty and contains the expected files and
  symbols

The test is wired to the rest of the package's tests so 'go test
./internal/intelligence/repomap/...' exercises it alongside the existing
test suite.
…up 1)

go doc treats a comment that begins with 'Package <name>' as a
package-level doc comment, even when it lives in a non-doc.go file.
The previous per-file leading comments all started with
'// Package repomap: <filename> ...' which caused go doc to dump
all 30+ file comments at the package level instead of showing the
doc.go overview and the per-file comments in their proper place.

The fix: replace the 'Package repomap: <filename>' prefix with just
'<filename>' so the comments are recognised as file-level doc
comments by go doc and godoc.
…up 2)

Second batch of the same fix, covering the Search, Grouping, and
remaining Symbols files. See the prior commit for context.
@Patel230
Patel230 merged commit 1cf3c20 into main Jun 17, 2026
18 checks passed
@Patel230
Patel230 deleted the docs/repomap-2026-06 branch June 17, 2026 15:15
Patel230 added a commit that referenced this pull request Jun 18, 2026
* docs(repomap): add doc.go explaining dual-package split with internal/context/repomap

A go-doc compatible overview that supersedes the previous 3-line package
comment on repomap.go (kept for backward compatibility). It documents:

- the package's role as the deep code-analysis engine (call graph, search,
  quality signals, API scanning, incremental indexing)
- the dual-package relationship with internal/context/repomap, which is the
  prompt-injection shim and shares no code with this package
- the stdlib-only core (no CGO, no tree-sitter binary)
- extension points: new language parsers, new smell heuristics, new HTTP
  framework scanners
- performance and scaling notes (MaxFiles cap, in-process LRU cache,
  persistent IncrementalMap at .hawk/repomap-cache.json)

* docs(repomap): add leading comments to Core, Static analysis, Quality signals, API surface, and Incremental files (16 files)

Each comment is a 1-3 line description of what the file does, written
so that 'go doc' on any file in the package produces a useful summary.
Comments are deliberately concise; the deeper architecture overview lives
in doc.go and README.md.

Files in this commit:
- Core/cache.go              in-process LRU symbol cache
- Core/gitignore.go          composed .gitignore rule walker
- Core/watcher.go            fsnotify wrapper
- Symbols/parser.go          original regex-based Go extractor
- Symbols/parser_enhanced.go AST-based Go extractor
- Symbols/parser_langs.go    regex extractors for non-Go languages
- Symbols/treesitter.go      tree-sitter-style scope-aware extractor
- Symbols/patterns.go        index include/exclude pattern loader
- Static/callgraph.go        Go caller/callee graph from go/ast
- Static/depgraph.go         package-level dep graph (go.mod + package.json)
- Static/imports.go          file-level import graph
- Static/hierarchy.go        project -> package -> file 3-level summary
- Static/interface_extract.go exported API surface (signatures only)
- Static/cochange.go         git-history co-change matrix
- Static/changeset.go        change-set-aware working set from git diff
- Static/ownership.go        git + CODEOWNERS ownership map
- Quality/smells.go          design smell detectors
- Quality/complexity.go      cyclomatic complexity
- Quality/health_score.go    weighted health-score rollup
- Quality/doclint.go         doc-comment coverage
- Quality/dead_code.go       unreferenced declaration detector
- Quality/migration_detector.go deprecated-API migration suggestions
- API/api_scanner.go         HTTP route scanners + OpenAPI export
- Incr/incremental.go        CodeIndexer interface and reindex loop
- Incr/incremental_map.go    persistent on-disk symbol cache

* docs(repomap): add leading comments to Search, Grouping, and remaining Symbols files (18 files)

Second batch of file-level leading comments, covering the Search and
navigation files (BM25, PageRank, reranking, prediction, change-set
context), the Grouping file (file_grouper, summary), and the remaining
Symbols files (parser, parser_enhanced, parser_langs, treesitter,
patterns, watcher). Each comment is intentionally short; see doc.go and
README.md for the architecture overview.

* docs(context/repomap): clarify that this package is the prompt-injection shim

The previous package comment described what the package did but did not
call out the boundary with internal/intelligence/repomap, which is the
deeper analysis engine. The two packages share no code and serve
different callers (this one is the context layer's narrow budgeted-map
entry point; the other is the full analysis toolkit). The new comment
makes the boundary explicit, points readers at the deep package for
symbol-level search / quality / API features, and adds implementation
notes on the PageRank pass and file-size limits.

* docs(repomap): add README with architecture overview and entry-point map

The README is the human-facing entry point for the package. It contains:

- One-paragraph overview (what Generate does, what else lives here)
- Architecture diagram (mermaid) of the file groups and their data flow
- File-group table mapping every group to its files and purpose
- Entry-point map listing the headline public APIs by group
- Storage model (in-process LRU, persistent .hawk/repomap-cache.json,
  fsnotify watch protocol)
- Extension points: how to add a new language parser, a new code smell,
  a new HTTP framework scanner
- Performance characteristics and known scaling limits per subsystem
- A pointer to doc.go (machine-readable) and doc_test.go (worked
  example), plus the cross-reference back to internal/context/repomap

* docs(repomap): add worked example in doc_test.go

Adds ExampleGenerate (a godoc-consumable worked example) and
TestExampleGenerate_isRunnable (the actual validator for 'go test').
The example is callable but the output depends on a temp directory path
that is not stable across runs, so the example function intentionally
omits a '// Output:' comment. The test function is the source of truth.

The example walks through the full primary use case:
- create a tiny project under t.TempDir() with one Go and one Python file
- call Generate with explicit Options
- render the result with Format
- assert the output is non-empty and contains the expected files and
  symbols

The test is wired to the rest of the package's tests so 'go test
./internal/intelligence/repomap/...' exercises it alongside the existing
test suite.

* fix(docs): drop 'Package repomap:' prefix from per-file comments (group 1)

go doc treats a comment that begins with 'Package <name>' as a
package-level doc comment, even when it lives in a non-doc.go file.
The previous per-file leading comments all started with
'// Package repomap: <filename> ...' which caused go doc to dump
all 30+ file comments at the package level instead of showing the
doc.go overview and the per-file comments in their proper place.

The fix: replace the 'Package repomap: <filename>' prefix with just
'<filename>' so the comments are recognised as file-level doc
comments by go doc and godoc.

* fix(docs): drop 'Package repomap:' prefix from per-file comments (group 2)

Second batch of the same fix, covering the Search, Grouping, and
remaining Symbols files. See the prior commit for context.

* fix(repomap): rename shadowed err in doc_test.go to writeErr (lint)

---------
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