Reuse parsed validation content by blob

docs/internal/validation.md

@@ -36,7 +36,10 @@ It follows committed symlink declarations through the captured tree and fails
 with an inspection cause when their selected contents are unavailable. A
 replacement with no parsed version is reported with its go.mod path, line,
 directive, and target; versioned replacements are allowed. It runs after the
-workspace-file check using the same candidate inventory.
+workspace-file check using the same candidate inventory. Resolved module bodies
+are parsed once per blob object ID; only owned filesystem-replacement targets
+and line numbers remain cached. Each declaration path receives findings from
+that summary in its own path context.
 The optional file-size check uses each blob's captured Git size, including
 symlink link-text bytes, and skips entries without a blob size such as gitlinks.
 It applies normalized literal file/directory exclusions with path-boundary
@@ -63,13 +66,16 @@ autolinks, images, titles, and their source use sites, and to build heading
 anchors from visible AST text. It supports ATX and Setext headings, decodes
 Markdown text through the parser, and assigns collision-free numeric suffixes
 to repeated anchors. Link locations use one-based line and byte-column values.
-A per-path cache retains parsed records and anchors for candidate documents.
+The Markdown cache shares parsed records and anchors by regular blob object ID,
+with a path lookup for callers. Retained destinations and titles own their
+string storage, and parsed records contain content-relative locations only.
 
 `checkMarkdownLinks` examines regular `.md` blobs from the captured tree. It
 skips schemed and protocol-relative URIs, strips query components, and decodes
 percent escapes once in local paths and fragments. It resolves destinations
-through `CandidateTree.ResolveDestination`; decoded fragments are compared in
-lowercase against anchors from the resolved regular Markdown document. Missing
+through `CandidateTree.ResolveDestination` relative to the current source path;
+decoded fragments are compared in lowercase against anchors from the resolved
+regular Markdown document. Missing
 paths, symlink cycles, and missing anchors produce `markdown-links` findings at
 the source use site. Outside-checkout links produce out-of-scope observations by
 default and findings when boundary enforcement is selected. Submodule-content

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Computational Efficiency Implementation Plan
 
-**Status:** Stages 1–6 complete; Stages 7–11 pending.
+**Status:** Stages 1–7 complete; Stages 8–11 pending.
 
 ## Purpose And Baseline
 
@@ -407,6 +407,21 @@ correct paths/lines. Reuse parser and boundary/cycle coverage. Re-run
 large-document and repeated-content benchmarks and retained-memory observations.
 Update the validation document's cache description to match implemented ownership.
 
+**Completion:** Complete. Parsed Markdown documents are shared by regular blob
+object ID with path lookups; destinations and titles own their string storage,
+and link locations remain content-relative while resolution uses each current
+source path. Module declarations resolve to a regular committed entry before
+reading; successfully parsed filesystem replacements are cached as owned
+target/line summaries by body object ID and applied to every declaration path.
+Validation, candidate, and facade tests passed, including shared Markdown
+resolved from distinct directories and two module symlinks receiving the
+correct findings at both paths and lines. Three large-document runs measured
+10.85–11.22 ms and 2.29 MB/op for two identical 1 MiB documents and 1,000
+repeated links. Three retained-memory observations measured 110,568–120,280
+bytes with the candidate and parsed Markdown cache alive. These fixture results
+include the retained per-document links, anchors, and candidate metadata; they
+are workload-specific observations on the recorded shared machine.
+
 ## Stage 8: Consolidate Delivery Preflight Hashing
 
 **Owners:** [delivery declarations](../../internal/delivery/assets.go),