refactor: remove OpenAPI/GraphQL bias from templates (#1652)

* chore: bump version to v0.0.5 [skip ci]

* refactor: update documentation for interface contracts and integration patterns

* Update pyproject.toml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update templates/commands/tasks.md

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* Update templates/commands/tasks.md

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templates/commands/plan.md

@@ -75,10 +75,11 @@ You **MUST** consider the user input before proceeding (if not empty).
    - Validation rules from requirements
    - State transitions if applicable
 
-2. **Generate API contracts** from functional requirements:
-   - For each user action → endpoint
-   - Use standard REST/GraphQL patterns
-   - Output OpenAPI/GraphQL schema to `/contracts/`
+2. **Define interface contracts** (if project has external interfaces) → `/contracts/`:
+   - Identify what interfaces the project exposes to users or other systems
+   - Document the contract format appropriate for the project type
+   - Examples: public APIs for libraries, command schemas for CLI tools, endpoints for web services, grammars for parsers, UI contracts for applications
+   - Skip if project is purely internal (build scripts, one-off tools, etc.)
 
 3. **Agent context update**:
    - Run `{AGENT_SCRIPT}`