chore(db): expand stamp GENERATOR_SOURCES for naming helpers (#892)

Add gemma_naming.py and naming_core.py to generate_atlas source
tracking in check-systems-db-stamp. Mirror in pr-push watch list.
Prevents naming helper changes from bypassing stale-stamp detection.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.claude/skills/pr-push/SKILL.md

@@ -229,6 +229,10 @@ exactly the silent-stale-DB class of bug this skill exists to prevent.
 git diff --name-only origin/main...HEAD -- \
   tooling/economy-db/import_economics.py \
   tooling/planet-gen/generate_atlas.py \
+  tooling/planet-gen/gemma_naming.py \
+  tooling/planet-gen/naming_core.py \
+  tooling/planet-gen/import_heightmaps.py \
+  tooling/planet-gen/import_province_boundaries.py \
   server/src/bin/generate_brands/main.rs \
   server/src/bin/generate_brands/names.rs \
   tooling/generate-brands \

tooling/check-systems-db-stamp

@@ -44,6 +44,10 @@ GENERATOR_SOURCES: dict[str, list[Path]] = {
     ],
     "generate_atlas": [
         REPO_ROOT / "tooling" / "planet-gen" / "generate_atlas.py",
+        REPO_ROOT / "tooling" / "planet-gen" / "gemma_naming.py",
+        REPO_ROOT / "tooling" / "planet-gen" / "naming_core.py",
+        REPO_ROOT / "tooling" / "planet-gen" / "import_heightmaps.py",
+        REPO_ROOT / "tooling" / "planet-gen" / "import_province_boundaries.py",
     ],
 }