plan: mark 2606130836 done — PR #607 merged

https://claude.ai/code/session_01WmTWV7n9e5RgJgRoPH6Jh1

Author: claude

PLAN.md

@@ -191,7 +191,7 @@ footer: |
 | 2606122013 | ✅     | sonnet | [Security hardening batch — 2026-06-12 git/LSP audit](plan/2606122013_security-hardening-batch-2026-06-12.md)                           |
 | 2606122014 | ✅     | sonnet | [Add SHA256 checksum verification for komac download in release.yml](plan/2606122014_komac-sha256-checksum.md)                          |
 | 2606122015 | ✅     | sonnet | [Security hardening batch — 2026-06-12 full-repo audit](plan/2606122015_security-hardening-batch-full-repo.md)                          |
-| 2606130836 | 🔳     | opus   | [Pool the per-file source-read buffer across lintFile passes](plan/2606130836_pool-source-read-buffer.md)                               |
+| 2606130836 | ✅     | opus   | [Pool the per-file source-read buffer across lintFile passes](plan/2606130836_pool-source-read-buffer.md)                               |
 | 2606130837 | 🔳     | opus   | [Fast-path front-matter field reads for cross-file rules](plan/2606130837_frontmatter-fast-scan.md)                                     |
 | 2606130838 | ✅     | sonnet | [Memoize linkgraph link and image extraction on the File](plan/2606130838_memoize-link-extraction.md)                                   |
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plan/2606130836_pool-source-read-buffer.md

@@ -1,7 +1,7 @@
 ---
 id: 2606130836
 title: Pool the per-file source-read buffer across lintFile passes
-status: "🔳"
+status: "✅"
 model: opus
 summary: >-
   bytelimit.readAllSized is the top allocator on a check run