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Cycle #26 dogfood found a real red-state bug in the JSON envelope contract. ## The Bug exec-command and exec-tool not-found cases return exit code 1 from the process, but the envelope reports exit_code: 0 (the default from wrap_json_envelope). This is a protocol violation. Repro (before fix): $ claw exec-command unknown-cmd test --output-format json > out.json $ echo $? 1 $ jq '.exit_code' out.json 0 # WRONG — envelope lies about exit code Claws reading the envelope's exit_code field get misinformation. A claw implementing the canonical ERROR_HANDLING.md pattern (check exit_code, then classify by error.kind) would incorrectly treat failures as successes when dispatching on the envelope alone. ## Root Cause main.py lines 687–739 (exec-command + exec-tool handlers): - Return statement: 'return 0 if result.handled else 1' (correct) - Envelope wrap: 'wrap_json_envelope(envelope, args.command)' (uses default exit_code=0, IGNORES the return value) The envelope wrap was called BEFORE the return value was computed, so the exit_code field was never synchronized with the actual exit code. ## The Fix Compute exit_code ONCE at the top: exit_code = 0 if result.handled else 1 Pass it explicitly to wrap_json_envelope: wrap_json_envelope(envelope, args.command, exit_code=exit_code) Return the same value: return exit_code This ensures the envelope's exit_code field is always truth — the SAME value the process returns. ## Tests Added (3) TestEnvelopeExitCodeMatchesProcessExit in test_exec_route_bootstrap_output_format.py: 1. test_exec_command_not_found_envelope_exit_matches: Verifies exec-command unknown-cmd returns exit 1 in both envelope and process. 2. test_exec_tool_not_found_envelope_exit_matches: Same for exec-tool. 3. test_all_commands_exit_code_invariant: Audit across 4 known non-zero cases (show-command, show-tool, exec-command, exec-tool not-found). Guards against the same bug in other surfaces. ## Impact - 206 → 209 passing tests (+3) - Zero regressions - Protocol contract now truthful: envelope.exit_code == process exit - Claws using the one-handler pattern from ERROR_HANDLING.md now get correct information ## Related - ERROR_HANDLING.md (cycle #22): Documented exit_code as machine-readable contract field - #178/#179 (cycles #19/#20): Closed parser-front-door contract - This closes a gap in the WORK PROTOCOL contract — envelope values must match reality, not just be structurally present. Classification (per cycle #24 calibration): - Red-state bug: ✓ (contract violation, claws get misinformation) - Real friction: ✓ (discovered via dogfood, not speculative) - Fix ships same-cycle: ✓ (discipline per maintainership mode) Source: Jobdori cycle #26 dogfood — ran multiple edge-case probes, noticed exec-command envelope showed exit_code: 0 while process exited 1. Investigated wrap_json_envelope default behavior, confirmed bug, fixed and tested in same cycle.