feat(server): integrate MCP queries and investigation messaging

Add project-bound OAuth MCP queries and controlled analysis with scoped evidence,
limits, timeouts and a nearby-model spatial query using EPSG:4326 inputs.
Default nearby searches to 200 meters and five results.

Integrate investigation messaging/presentation, health/readiness and typed history;
remove duplicate web search and fix online simulation and compressed baseline writes.
Include project migrations 023-025; keep local credentials and demo seeding excluded.

Validation: 319 focused pytest checks; real PostGIS temporary-table regression;
read-only Jinqian bridge radius comparison; cross-language MCP discovery/calls.

app/core/tianditu_logging.py

@@ -0,0 +1,17 @@
+import logging
+import re
+
+
+class TiandituTokenFilter(logging.Filter):
+    def filter(self, record: logging.LogRecord) -> bool:
+        message = record.getMessage()
+        if "tianditu.gov.cn" in message:
+            record.msg = re.sub(r"([?&]tk=)[^&\s\"']+", r"\1[redacted]", message)
+            record.args = ()
+        return True
+
+
+def install_tianditu_token_filter() -> None:
+    logger = logging.getLogger("httpx")
+    if not any(isinstance(item, TiandituTokenFilter) for item in logger.filters):
+        logger.addFilter(TiandituTokenFilter())