feat: plan 18

packages/casan-harness/scripts/bash/prompt-mode-router.py

@@ -134,6 +134,20 @@ def classify(message: str, model_verdict: str = ""):
             "classified_at": now_iso(),
         }
 
+    analysis_hits = contains_any(text, policy.get("analysis_terms", []))
+    if analysis_hits:
+        acfg = policy.get("analysis", policy["read_only"])
+        return {
+            "mode": "ANALYSIS",
+            "risk": acfg["risk"],
+            "gates": acfg["gates"],
+            "needs_approval": bool(acfg.get("needs_approval", False)),
+            "reason": "analysis_reasoning_requested",
+            "matched_rules": analysis_hits,
+            "side_effect_allowed": False,
+            "classified_at": now_iso(),
+        }
+
     read_terms = policy.get("read_only_terms", [])
     read_hits = [t for t in read_terms if re.search(rf"\b{re.escape(t.lower())}\b", text)]
     # Model-assisted verdict can only increase caution. In MVP-0 an unsafe model