fix: advance TCS root only for numbered-source changes

modules/tcs-mother-root-navigator/module.lock.hdlp

@@ -2,7 +2,7 @@ schema: tcs.module-lock/v1
 module_id: MOD-TCS-MOTHER-ROOT-NAVIGATOR-001
 module_source_sha256: eb299410bacd0247bc43732154fac0f74f181bab6a5e4e5714937d1b90b24688
 module_gir_sha256: bb3246fbfc69a39b3e5412e41271aeb7c66e37a2539902b5dab2291e38a04800
-runtime_sha256: 09cc06a63cbd320634e0231d3dc7887cc3f24276504527ec9154ecba344674a6
+runtime_sha256: d1cb121af345e8e860d001133e9aac07383f2a3776d61cf42a1cce381ea3b8be
-root_map_sha256: 2f5c4b7a4dc49edb4d83787ea68a0a8d88dff79ef78215550cd2f209e7732e88
+root_map_sha256: 77e61b5812e0618aa5318e5090ccba09ef4feadd664b06f0ec89bdbf64fd8d3c
 compiler_sha256: 5ad6f0c43d8db80677cad7091e6a3b706e701307b2537446dc13635e89499942
 update_rule: CURRENT_DIRECT_LANGUAGE_TCS_PLUS_NUMBER_IMPACT_PLUS_COMMITTED_READBACK

routing/public-navigation-anchor.json

@@ -115,7 +115,7 @@
     "tcs_mother_root_navigation": {
       "path": "routing/tcs-mother-root-dynamic-navigation-map.json",
       "id": "TCS-MOTHER-ROOT-DYNAMIC-NAVIGATION-MAP-001",
-      "version": "2026-09-08.1",
+      "version": "2026-09-08.2",
       "load_policy": "FIRST_BEFORE_WORLD_DOMAIN_HUMAN_PERSONA_CHANNEL_OR_HOST_ROUTE_RESOLUTION"
     },
     "hololake_stage_relay": {

routing/tcs-mother-root-dynamic-navigation-map.json

@@ -1,7 +1,7 @@
 {
   "schema": "guanghu.tcs-mother-root-dynamic-navigation/v1",
   "map_id": "TCS-MOTHER-ROOT-DYNAMIC-NAVIGATION-MAP-001",
-  "version": "2026-09-08.1",
+  "version": "2026-09-08.2",
   "state": "CURRENT_LOCAL_CANONICAL_NOT_PUBLISHED",
   "source_tcs": "runtime/fifth-domain-language-system/language/protocols/TCS-TCS-MOTHER-ROOT-DYNAMIC-NUMBER-NAVIGATION-20260908.tcs",
   "impact_manifest": "tcs-root/numbering/NUMBER-IMPACT-20260908.json",
@@ -69,6 +69,7 @@
   ],
   "automatic_update_contract": {
     "ordinary_language_or_file_change_updates_current": false,
+    "ordinary_commit_without_numbered_source_hash_change_updates_current": false,
     "required": ["CURRENT_DIRECT_LANGUAGE_TCS_SOURCE", "NUMBER_IMPACT_MANIFEST", "COMMITTED_TARGET_READBACK", "SOURCE_HASH_MATCH", "REFERENTIAL_INTEGRITY_PASS"],
     "trigger": "CANONICAL_CODEX_COMMIT_POST_COMMIT_HOOK_AND_SHARED_ENTRY_STATUS_CHECK",
     "failure": "KEEP_LAST_KNOWN_GOOD_AND_WRITE_REJECT_RECEIPT",

server-tools/tcs-mother-root-agent/tcs_mother_root_agent.py

@@ -174,6 +174,8 @@ def refresh(repo: Path, output: Path, pointer: Path, trigger: str) -> dict[str,
             return {"outcome": "PASS", "state": "CURRENT_IDEMPOTENT", "source_commit": snapshot["source_commit"], "current_sha256": digest(current_path.read_bytes())}
         if previous:
             changed = {key for key, value in snapshot["registered_source_hashes"].items() if previous.get("registered_source_hashes", {}).get(key) != value}
+            if not changed:
+                return {"outcome":"PASS","state":"CURRENT_NUMBER_NAV_UNCHANGED","source_commit":previous["source_commit"],"observed_repo_head":snapshot["source_commit"],"current_sha256":digest(current_path.read_bytes()),"freshness_token":previous["freshness_token"]}
             affected = set(commit_json(repo, snapshot["source_commit"], snapshot["impact"]["path"]).get("affected_paths", []))
             if changed and not changed.issubset(affected):
                 raise RootError("UNADMITTED_NUMBERED_SOURCE_DRIFT:" + ",".join(sorted(changed - affected)))
@@ -203,8 +205,10 @@ def status(repo: Path, output: Path, pointer: Path) -> dict[str, Any]:
     body = (output / "CURRENT.json").read_bytes()
     current = json.loads(body)
     head = run(repo, "rev-parse", "HEAD")
-    valid = digest(body) == p.get("current_sha256") and current.get("freshness_token") == p.get("freshness_token") and current.get("source_commit") == head
+    observed = build(repo, head)
-    return {"outcome":"PASS" if valid else "FAIL","state":"TCS_ROOT_CURRENT_VERIFIED" if valid else "TCS_ROOT_CURRENT_STALE_OR_TAMPERED","source_commit":current.get("source_commit"),"repo_head":head,"current_sha256":digest(body),"freshness_token":current.get("freshness_token"),"current":str(output / "CURRENT.json")}
+    source_equivalent = current.get("registered_source_hashes") == observed.get("registered_source_hashes")
+    valid = digest(body) == p.get("current_sha256") and current.get("freshness_token") == p.get("freshness_token") and source_equivalent
+    return {"outcome":"PASS" if valid else "FAIL","state":"TCS_ROOT_CURRENT_VERIFIED" if valid else "TCS_ROOT_CURRENT_STALE_OR_TAMPERED","source_commit":current.get("source_commit"),"repo_head":head,"numbered_sources_equal_head":source_equivalent,"current_sha256":digest(body),"freshness_token":current.get("freshness_token"),"current":str(output / "CURRENT.json")}
 
 
 def resolve(output: Path, requested: str, kind: str | None) -> dict[str, Any]:

server-tools/tcs-mother-root-agent/tcs_mother_root_agent.test.py

@@ -53,6 +53,16 @@ class RootAgentTest(unittest.TestCase):
                 MODULE.refresh(ROOT, output, pointer, 'negative-test')
             self.assertEqual(current.read_bytes(), before)
 
+    def test_ordinary_commit_equivalent_sources_do_not_advance_current(self):
+        with tempfile.TemporaryDirectory() as temp:
+            base = Path(temp)
+            output, pointer = base / 'state', base / 'TCS-ROOT.json'
+            first = MODULE.refresh(ROOT, output, pointer, 'test')
+            current = json.loads((output / 'CURRENT.json').read_text())
+            same = MODULE.refresh(ROOT, output, pointer, 'ordinary-commit-test')
+            self.assertIn(same['state'], ['CURRENT_IDEMPOTENT', 'CURRENT_NUMBER_NAV_UNCHANGED'])
+            self.assertEqual(json.loads((output / 'CURRENT.json').read_text())['freshness_token'], current['freshness_token'])
+
 
 if __name__ == '__main__':
     unittest.main()