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_metrics_cli.py

@@ -45,7 +45,9 @@ class TestMetricsCli:
         assert record.exit_code == 0
         assert "Recorded metrics" in record.output
 
-        show = runner.invoke(cli, ["metrics", "show", "tdd-workflow", "--target", target])
+        show = runner.invoke(
+            cli, ["metrics", "show", "tdd-workflow", "--target", target]
+        )
         assert show.exit_code == 0
         assert '"execution_count": 1' in show.output
         assert '"success": true' in show.output
@@ -54,7 +56,9 @@ class TestMetricsCli:
         assert listed.exit_code == 0
         assert "tdd-workflow" in listed.output
 
-        export = runner.invoke(cli, ["metrics", "export", "tdd-workflow", "--target", target])
+        export = runner.invoke(
+            cli, ["metrics", "export", "tdd-workflow", "--target", target]
+        )
         assert export.exit_code == 0
         lines = [line for line in export.output.splitlines() if line.strip()]
         assert len(lines) == 1
@@ -69,7 +73,9 @@ class TestMetricsCli:
         )
         assert result.exit_code == 0
 
-        show = runner.invoke(cli, ["metrics", "show", "coach", "--target", str(project_dir)])
+        show = runner.invoke(
+            cli, ["metrics", "show", "coach", "--target", str(project_dir)]
+        )
         assert '"success": false' in show.output
 
     def test_record_idempotency_key_skips_duplicate(
@@ -96,7 +102,9 @@ class TestMetricsCli:
         )
         assert len(export.output.strip().splitlines()) == 1
 
-    def test_record_requires_outcome_without_json(self, runner: CliRunner, project_dir: Path):
+    def test_record_requires_outcome_without_json(
+        self, runner: CliRunner, project_dir: Path
+    ):
         result = runner.invoke(
             cli,
             ["metrics", "record", "tdd-workflow", "--target", str(project_dir)],
@@ -133,7 +141,9 @@ class TestMetricsCli:
             ],
         )
 
-        result = runner.invoke(cli, ["memory", "brief", "tdd-workflow", "--target", target])
+        result = runner.invoke(
+            cli, ["memory", "brief", "tdd-workflow", "--target", target]
+        )
         assert result.exit_code == 0
         assert "## Performance Summary" in result.output
         assert "Success rate: 100.0%" in result.output
@@ -144,4 +154,4 @@ class TestMetricsCli:
             ["memory", "init", "coach", "--target", str(project_dir), "--no-metrics"],
         )
         assert result.exit_code == 0
-        assert not (project_dir / ".kaizen" / "metrics" / "coach").exists()
+        assert not (project_dir / ".kaizen" / "metrics" / "coach").exists()