feat(telemetry): anonymous posthog usage telemetry across node cli and python daemon (#205)

* feat: add telemetry phase 1

* feat: add node telemetry event catalog

* feat: add telemetry event helpers

* feat: emit setup and connection telemetry

* feat: emit connection and stack telemetry

* feat: emit ingest and scan telemetry

* feat: emit query telemetry

* feat: emit sampled mcp telemetry

* docs: expand telemetry event catalog

* feat: add telemetry schema sync artifact

* feat: pass telemetry project id to semantic daemon

* feat: add daemon telemetry foundation

* feat: emit semantic daemon telemetry

* feat: emit daemon lifecycle telemetry

* docs: document full telemetry event catalog

* feat(telemetry): dim first-run notice

* feat(telemetry): show first-run notice before command output

* feat(telemetry): wire ktx PostHog project for live ingestion

* docs(telemetry): drop posthog project name and host from storage section

* docs(telemetry): trim to general overview and disclaimer

* docs(agents): add short telemetry guidelines

* feat(telemetry): enable posthog geoip enrichment

* docs(telemetry): drop ip-geoip note from public overview

* refactor(telemetry): drop no-op groupIdentify, rely on capture groups field

* fix(telemetry): respect CI kill switch in python daemon identity

* fix(sql): route table-count analysis to existing analyze-batch endpoint

* fix(telemetry): emit install_first_run from notice path and derive flagsPresent from commander

* fix(telemetry): read package info via getKtxCliPackageInfo to satisfy boundary check

* fix(telemetry): make python identity env={} bypass os.environ and unset CI in tests

* fix(telemetry): unset CI kill switch in cli-program-telemetry tests

python/ktx-daemon/tests/test_telemetry_schema_sync.py

@@ -0,0 +1,39 @@
+from __future__ import annotations
+
+import json
+from pathlib import Path
+
+
+def test_python_schema_copy_matches_node_schema() -> None:
+    repo_root = Path(__file__).resolve().parents[3]
+    node_schema = json.loads(
+        (repo_root / "packages/cli/src/telemetry/events.schema.json").read_text(
+            encoding="utf-8"
+        )
+    )
+    python_schema = json.loads(
+        (
+            repo_root / "python/ktx-daemon/src/ktx_daemon/telemetry/events.schema.json"
+        ).read_text(encoding="utf-8")
+    )
+
+    assert python_schema == node_schema
+    assert [event["name"] for event in python_schema["x-ktx-catalog"]] == [
+        "install_first_run",
+        "command",
+        "setup_step",
+        "connection_added",
+        "connection_test",
+        "project_stack_snapshot",
+        "ingest_completed",
+        "scan_completed",
+        "sl_validate_completed",
+        "sl_query_completed",
+        "sql_completed",
+        "wiki_query_completed",
+        "mcp_request_completed",
+        "daemon_started",
+        "daemon_stopped",
+        "sl_plan_completed",
+        "sql_gen_completed",
+    ]