Merge remote-tracking branch 'origin/master' into feat/read-image-context

# Conflicts:
#	docs/config-catalog.i18n.yaml
#	docs/config-catalog.md
#	docs/config-catalog.zh.md
#	packages/support/llm-replay/src/index.ts
#	packages/support/llm-replay/tests/llm-replay.spec.ts

examples/acp-agent/tests/acp.snapshot.ts

@@ -54,6 +54,7 @@ const WEB_CONFIG = fileURLToPath(new URL('../web.cordis.yml', import.meta.url))
 const FS_SEARCH_CONFIG = fileURLToPath(new URL('./fs-search.cordis.yml', import.meta.url))
 const PARTIAL_LANDLOCK_CONFIG = fileURLToPath(new URL('../partial-landlock.cordis.yml', import.meta.url))
 const PWSH_CONFIG = fileURLToPath(new URL('./pwsh.cordis.yml', import.meta.url))
+const FS_DIFF_BOUND_CONFIG = fileURLToPath(new URL('./fs-diff-bound.cordis.yml', import.meta.url))
 const SNAPSHOTS_DIR = join(dirname(fileURLToPath(import.meta.url)), 'snapshots')
 const PACKED_CHUNKS_SOURCE = 'hook-cc-pretool-deny'
 
@@ -279,6 +280,21 @@ const SCENARIOS: Scenario[] = [
   { name: 'fs-write', hasModelTurn: true, recorded: true },
   { name: 'fs-edit', hasModelTurn: true, recorded: true },
   { name: 'fs-write-overwrite', hasModelTurn: true, recorded: true },
+  // An overwrite whose replacement is at/above the configured diff-basis bound:
+  // the persisted result meta carries no contextual hunks and presentation
+  // falls back to the whole-file diff. The overlay leaves the prompt and tool
+  // sequence identical to text-turn, but the freshly recorded header carries
+  // the current adapter capability fields, so the scenario pins its own class.
+  {
+    name: 'fs-write-overwrite-bounded',
+    hasModelTurn: true,
+    recorded: true,
+    pinsHeader: true,
+    headerClass: 'fs-diff-bound',
+    systemPromptSource: 'text-turn',
+    toolSchemasSource: 'text-turn',
+    configPath: FS_DIFF_BOUND_CONFIG,
+  },
   { name: 'fs-read-window', hasModelTurn: true, recorded: true },
   { name: 'fs-policy-reject', hasModelTurn: true, recorded: true },
   { name: 'fs-delete-recreate', hasModelTurn: true, recorded: true },