WP-0001: feedback channels, CI, pre-commit, telemetry docs

Add kaizen-agentic feedback CLI, Gitea issue templates, CI workflow,
pre-commit hooks, FEEDBACK/TELEMETRY docs, and cross-platform path tests.
Improve CLI registry error messages; remove agents_backup scaffolding.
Apply black formatting across src/tests for CI consistency.

State Hub message sent to agentic-resources for Helix correlation doc link.

Makefile

@@ -567,11 +567,19 @@ format: $(VENV)/bin/activate
 clean:
 	@echo "🧹 Cleaning build artifacts and cache..."
 	@rm -rf build/ dist/ *.egg-info/ .pytest_cache/ __pycache__/ .coverage htmlcov/
+	@rm -rf agents_backup_*/
 	@find . -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true
 	@find . -type f -name "*.pyc" -delete 2>/dev/null || true
 	@find . -type f -name "*.pyo" -delete 2>/dev/null || true
 	@echo "✅ Cleanup completed"
 
+# Install pre-commit hooks (WP-0001 T02)
+pre-commit-install: $(VENV)/bin/activate
+	@echo "🔧 Installing pre-commit hooks..."
+	@$(VENV_PIP) install pre-commit
+	@$(VENV)/bin/pre-commit install
+	@echo "✅ pre-commit installed — run 'pre-commit run --all-files' to verify"
+
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 # Standards Compliance Targets
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