enforcement delta to your actual Codex start-of-day folder so it lands in the right place without extra drift

Author: DavidQ

docs/dev/start_of_day/codex/PR_NAMING_CONVENTION.md

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+# PR Naming Convention
+
+Format:
+PR_<SECTION>_<STEP>_<SHORT_NAME>
+
+Rules:
+- SECTION = roadmap section number, zero-padded (01–16)
+- STEP = incremental within that section, zero-padded (01+)
+- SHORT_NAME = ALL_CAPS, concise, action-oriented
+- All new PLAN / BUILD / APPLY PR names must follow this format
+
+Examples:
+PR_01_01_REPO_STRUCTURE_MOVE_MAP
+PR_01_02_REPO_STRUCTURE_APPLY
+PR_03_01_SHARED_NUMBERS_NORMALIZATION
+PR_06_07_SAMPLES_DEPENDENCY_CLEANUP
+PR_07_01_NETWORK_SERVER_DASHBOARD

docs/dev/start_of_day/codex/codex_commands.md

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+PR Naming Rule:
+ALL PRs MUST follow:
+PR_<SECTION>_<STEP>_<SHORT_NAME>
+
+Reject any PR name that does not follow this format.
+