Tweaks to prompts to prevent Claude from becoming overconfident

tools/debug.py

@@ -95,7 +95,8 @@ DEBUG_INVESTIGATION_FIELD_DESCRIPTIONS = {
         "'almost_certain' (nearly confirmed), 'certain' (100% confidence - root cause and minimal fix are both "
         "confirmed locally with no need for external model validation). Do NOT use 'certain' unless the issue can be "
         "fully resolved with a fix, use 'very_high' or 'almost_certain' instead when not 100% sure. Using 'certain' "
-        "means you have complete confidence locally and prevents external model validation."
+        "means you have complete confidence locally and prevents external model validation. Also do "
+        "NOT set confidence to 'certain' if the user has strongly requested that external validation MUST be performed."
     ),
     "backtrack_from_step": (
         "If an earlier finding or hypothesis needs to be revised or discarded, specify the step number from which to "
@@ -284,7 +285,7 @@ class DebugIssueTool(WorkflowTool):
                 "Check for edge cases, boundary conditions, and assumptions in the code",
                 "Look for related configuration, dependencies, or external factors",
             ]
-        elif confidence in ["medium", "high", "very_high", "almost_certain"]:
+        elif confidence in ["medium", "high", "very_high"]:
             # Close to root cause - need confirmation
             return [
                 "Examine the exact code sections where you believe the issue occurs",
@@ -292,6 +293,14 @@ class DebugIssueTool(WorkflowTool):
                 "Verify your hypothesis with concrete code evidence",
                 "Check for any similar patterns elsewhere in the codebase",
             ]
+        elif confidence == "almost_certain":
+            # Almost certain - final verification before conclusion
+            return [
+                "Finalize your root cause analysis with specific evidence",
+                "Document the complete chain of causation from symptom to root cause",
+                "Verify the minimal fix approach is correct",
+                "Consider if expert analysis would provide additional insights",
+            ]
         else:
             # General investigation needed
             return [
@@ -324,6 +333,19 @@ class DebugIssueTool(WorkflowTool):
             f"=== ISSUE DESCRIPTION ===\n{self.initial_issue or 'Investigation initiated'}\n=== END DESCRIPTION ==="
         ]
 
+        # Add special note if confidence is almost_certain
+        if consolidated_findings.confidence == "almost_certain":
+            context_parts.append(
+                "\n=== IMPORTANT: ALMOST CERTAIN CONFIDENCE ===\n"
+                "The agent has reached 'almost_certain' confidence but has NOT confirmed the bug with 100% certainty. "
+                "Your role is to:\n"
+                "1. Validate the agent's hypothesis and investigation\n"
+                "2. Identify any missing evidence or overlooked aspects\n"
+                "3. Provide additional insights that could confirm or refute the hypothesis\n"
+                "4. Help finalize the root cause analysis with complete certainty\n"
+                "=== END IMPORTANT ==="
+            )
+
         # Add investigation summary
         investigation_summary = self._build_investigation_summary(consolidated_findings)
         context_parts.append(f"\n=== AGENT'S INVESTIGATION FINDINGS ===\n{investigation_summary}\n=== END FINDINGS ===")
@@ -421,7 +443,7 @@ class DebugIssueTool(WorkflowTool):
                 + f"\n\nOnly call {self.get_name()} again with step_number: {step_number + 1} AFTER "
                 + "completing these investigations."
             )
-        elif confidence in ["medium", "high"]:
+        elif confidence in ["medium", "high", "very_high"]:
             next_steps = (
                 f"WAIT! Your hypothesis needs verification. DO NOT call {self.get_name()} immediately. REQUIRED ACTIONS:\n"
                 + "\n".join(f"{i+1}. {action}" for i, action in enumerate(required_actions))
@@ -430,6 +452,16 @@ class DebugIssueTool(WorkflowTool):
                 f"or engineering assistant for clarification. Document findings with specific file:line references, "
                 f"then call {self.get_name()} with step_number: {step_number + 1}."
             )
+        elif confidence == "almost_certain":
+            next_steps = (
+                "ALMOST CERTAIN - Prepare for final analysis. REQUIRED ACTIONS:\n"
+                + "\n".join(f"{i+1}. {action}" for i, action in enumerate(required_actions))
+                + "\n\nIMPORTANT: You're almost certain about the root cause. If you have NOT found the bug with "
+                "100% certainty, consider setting next_step_required=false to invoke expert analysis. The expert "
+                "can validate your hypotheses and provide additional insights. If you ARE 100% certain and have "
+                "identified the exact bug and fix, proceed to confidence='certain'. Otherwise, let expert analysis "
+                "help finalize the investigation."
+            )
         else:
             next_steps = (
                 f"PAUSE INVESTIGATION. Before calling {self.get_name()} step {step_number + 1}, you MUST examine code. "