From 4c54a2e4cdefa41b50b818507663f3a63c878d7c Mon Sep 17 00:00:00 2001
From: luyua9 <luyua9@foxmail.com>
Date: Thu, 13 Aug 2026 07:03:31 +0800
Subject: [PATCH 1/2] fix(cli): preserve keep-marker stats prefix

---
 gitnexus/src/cli/ai-context.ts        | 12 ++++++-----
 gitnexus/test/unit/ai-context.test.ts | 29 +++++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 5 deletions(-)

diff --git a/gitnexus/src/cli/ai-context.ts b/gitnexus/src/cli/ai-context.ts
index 258aeb46c..c6b098807 100644
--- a/gitnexus/src/cli/ai-context.ts
+++ b/gitnexus/src/cli/ai-context.ts
@@ -369,9 +369,6 @@ async function upsertGitNexusSection(
       // drop the parenthetical but still refresh the project name so renames
       // propagate.
       const newStatsInner = `${stats.nodes || 0} symbols, ${stats.edges || 0} relationships, ${stats.processes || 0} execution flows`;
-      const statsLine = noStats
-        ? `Indexed as **${projectName}**`
-        : `Indexed as **${projectName}** (${newStatsInner})`;
 
       // Match either canonical phrasing at line start (`^` with `m` flag) so we
       // cannot replace prose embedded mid-paragraph. Deliberately no `$`: text
@@ -379,9 +376,14 @@ async function upsertGitNexusSection(
       // The parenthetical is optional so a count-free line left by a prior
       // --no-stats run still matches — letting the name refresh, and letting
       // counts return if --no-stats is later dropped.
-      const statsPattern = /^(?:Indexed as|indexed by GitNexus as) \*\*[^*]+\*\*(?: \([^)]+\))?/m;
+      const statsPattern = /^(Indexed as|indexed by GitNexus as) \*\*[^*]+\*\*(?: \([^)]+\))?/m;
+      const statsMatch = existingSection.match(statsPattern);
 
-      if (statsPattern.test(existingSection)) {
+      if (statsMatch) {
+        const statsPrefix = statsMatch[1];
+        const statsLine = noStats
+          ? `${statsPrefix} **${projectName}**`
+          : `${statsPrefix} **${projectName}** (${newStatsInner})`;
         const updatedSection = existingSection.replace(statsPattern, statsLine);
         // Count-only delta — leave the committed lean block alone (#2907). A
         // project rename, or --no-stats dropping the parenthetical, still writes.
diff --git a/gitnexus/test/unit/ai-context.test.ts b/gitnexus/test/unit/ai-context.test.ts
index d8cf4b208..418274073 100644
--- a/gitnexus/test/unit/ai-context.test.ts
+++ b/gitnexus/test/unit/ai-context.test.ts
@@ -1496,4 +1496,33 @@ Indexed as **${name}**${counts}. Lean block.
       await fs.rm(dir, { recursive: true, force: true });
     }
   });
+
+  it('preserves the existing stats-line prefix when updating a keep marker', async () => {
+    const dir = await fs.mkdtemp(path.join(os.tmpdir(), 'gn-keep-prefix-'));
+    const storage = path.join(dir, '.gitnexus');
+    await fs.mkdir(storage, { recursive: true });
+    try {
+      const original = `# Guide
+
+<!-- gitnexus:start -->
+<!-- gitnexus:keep -->
+indexed by GitNexus as **OldName** (10 symbols, 20 relationships, 3 execution flows). Custom.
+<!-- gitnexus:end -->
+`;
+      await fs.writeFile(path.join(dir, 'CLAUDE.md'), original, 'utf-8');
+
+      const result = await generateAIContextFiles(dir, storage, 'NewName', {
+        nodes: 55,
+        edges: 66,
+        processes: 7,
+      });
+
+      expect(result.files).toContain('CLAUDE.md (updated)');
+      expect(await fs.readFile(path.join(dir, 'CLAUDE.md'), 'utf-8')).toContain(
+        'indexed by GitNexus as **NewName** (55 symbols, 66 relationships, 7 execution flows). Custom.',
+      );
+    } finally {
+      await fs.rm(dir, { recursive: true, force: true });
+    }
+  });
 });

From 7b91fe3247705867b04e693eb7e6dfb11bcf9f04 Mon Sep 17 00:00:00 2001
From: zuyua9 <948423378@qq.com>
Date: Thu, 13 Aug 2026 11:58:33 +0800
Subject: [PATCH 2/2] fix: preserve literal dollar signs in stats names

---
 gitnexus/src/cli/ai-context.ts        | 2 +-
 gitnexus/test/unit/ai-context.test.ts | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/gitnexus/src/cli/ai-context.ts b/gitnexus/src/cli/ai-context.ts
index c6b098807..dec8f420d 100644
--- a/gitnexus/src/cli/ai-context.ts
+++ b/gitnexus/src/cli/ai-context.ts
@@ -384,7 +384,7 @@ async function upsertGitNexusSection(
         const statsLine = noStats
           ? `${statsPrefix} **${projectName}**`
           : `${statsPrefix} **${projectName}** (${newStatsInner})`;
-        const updatedSection = existingSection.replace(statsPattern, statsLine);
+        const updatedSection = existingSection.replace(statsPattern, () => statsLine);
         // Count-only delta — leave the committed lean block alone (#2907). A
         // project rename, or --no-stats dropping the parenthetical, still writes.
         if (stripVolatileCounts(updatedSection) === stripVolatileCounts(existingSection)) {
diff --git a/gitnexus/test/unit/ai-context.test.ts b/gitnexus/test/unit/ai-context.test.ts
index 418274073..75056a836 100644
--- a/gitnexus/test/unit/ai-context.test.ts
+++ b/gitnexus/test/unit/ai-context.test.ts
@@ -1511,7 +1511,7 @@ indexed by GitNexus as **OldName** (10 symbols, 20 relationships, 3 execution fl
 `;
       await fs.writeFile(path.join(dir, 'CLAUDE.md'), original, 'utf-8');
 
-      const result = await generateAIContextFiles(dir, storage, 'NewName', {
+      const result = await generateAIContextFiles(dir, storage, 'Repo$1Name', {
         nodes: 55,
         edges: 66,
         processes: 7,
@@ -1519,7 +1519,7 @@ indexed by GitNexus as **OldName** (10 symbols, 20 relationships, 3 execution fl
 
       expect(result.files).toContain('CLAUDE.md (updated)');
       expect(await fs.readFile(path.join(dir, 'CLAUDE.md'), 'utf-8')).toContain(
-        'indexed by GitNexus as **NewName** (55 symbols, 66 relationships, 7 execution flows). Custom.',
+        'indexed by GitNexus as **Repo$1Name** (55 symbols, 66 relationships, 7 execution flows). Custom.',
       );
     } finally {
       await fs.rm(dir, { recursive: true, force: true });