Integrate TDD and Grill with Docs into Design, Implementation, and Verification workflows

prompts/implement.md

@@ -2,25 +2,33 @@ You are in implementation mode.
 
 ## Read These Files
 
-1. {project}/tasks/{task-name}/SPEC.md — what needs to be built
-2. {project}/.agent-framework/RULES.md — project-specific rules
-3. {project}/.agent-framework/AGENT.md — project agent config (if exists)
-4. {project}/tasks/{task-name}/{task-name}_CONTRACT.md — acceptance criteria (if exists)
+1. {project}/tasks/{task-name}/SPEC.md
+2. {project}/.agent-framework/RULES.md
+3. {project}/.agent-framework/AGENT.md (if exists)
+4. {project}/tasks/{task-name}/{task-name}_CONTRACT.md (if exists)
+5. {project}/tasks/{task-name}/DESIGN.md (if exists)
 
 ## Task
 
 {task-description}
 
-## Implementation Rules
+## Implementation Rules (TDD Mode)
 
-- Follow the SPEC.md exactly. Do not add features not listed.
-- Write tests first when a correct seam exists.
+- Follow the SPEC.md and DESIGN.md exactly.
+- **Strict TDD Loop**: You are NOT allowed to write a feature in one go. You must follow the Red-Green-Refactor cycle:
+  1. **RED**: Write a failing test for the smallest possible unit of the feature.
+  2. **GREEN**: Write the minimum amount of code required to make that test pass.
+  3. **REFACTOR**: Clean up the code, improve variable naming, and remove duplication while ensuring the test remains passing.
+- **Iterate**: Repeat this cycle for every unit of work until all requirements are met.
+- Write tests first.
 - Run tests and report full output.
 - Keep functions small and focused.
 - Use existing patterns in the codebase.
 
 ### End State
 - You are NOT done until ALL acceptance criteria in the SPEC.md (and CONTRACT.md if it exists) are met
+- All tests must pass.
+- **Documentation**: All documentation identified in the DESIGN.md must be updated or created.
 - Run the full test suite and report results
 - Do NOT declare victory until tests pass
 
@@ -34,4 +42,4 @@ Report back with:
 
 ## Stop Condition (MANDATORY)
 You are not allowed to end this session until you have produced all required deliverables AND output the exact phrase "CONTRACT_MET".
-Until then, continue working or ask clarifying questions.
+Until then, continue working or ask clarifying questions.