chore(db): replace Commonwealth with Settled Reach in tooling and server

Updated docstrings in sqlite_connector, qdrant_connector,
decisions_sync, schema.sql, and two doc comments in generator.rs.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tooling/db/decisions_sync.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 """
-Commonwealth Decisions Sync — parse decisions/*.md domain files into SQLite.
+Settled Reach Decisions Sync — parse decisions/*.md domain files into SQLite.
 
 Reads all markdown files from the decisions/ directory, parses decision blocks
 (D-NNN, Q-NNN, R-NNN), extracts metadata, and upserts into the decisions and
@@ -479,7 +479,7 @@ def check_dupes(cfg):
 # ---------------------------------------------------------------------------
 
 HELP_TEXT = """\
-Commonwealth Decisions Sync & ID Management
+Settled Reach Decisions Sync & ID Management
 
 Usage:
   decisions_sync.py sync                        Parse decisions/*.md and upsert into SQLite