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.

tests/test_feedback_cli.py

@@ -0,0 +1,27 @@
+"""Tests for developer feedback CLI (WP-0001 T01)."""
+
+from __future__ import annotations
+
+import json
+
+from click.testing import CliRunner
+
+from kaizen_agentic.cli import cli
+
+
+def test_feedback_human_output():
+    runner = CliRunner()
+    result = runner.invoke(cli, ["feedback"])
+    assert result.exit_code == 0
+    assert "feedback channels" in result.output.lower()
+    assert "gitea.coulomb.social" in result.output
+    assert "bug report" in result.output.lower()
+
+
+def test_feedback_json_output():
+    runner = CliRunner()
+    result = runner.invoke(cli, ["feedback", "--json"])
+    assert result.exit_code == 0
+    payload = json.loads(result.output)
+    assert "channels" in payload
+    assert "bug_report" in payload["templates"]