ToolboxAid · ToolboxAid · Jun 21, 2026
diff --git a/docs_build/dev/ProjectInstructions/PROJECT_INSTRUCTIONS.md b/docs_build/dev/ProjectInstructions/PROJECT_INSTRUCTIONS.md
@@ -33,6 +33,15 @@ Existing Project Instructions remain preserved in their current locations. This
 
 No PR in this operating system is merged without explicit owner approval.
 
+## Day Work / EOD Merge Rule
+
+Commit/push during the day is allowed only on assigned team/OWNER/PR branches.
+
+Merge to main is EOD-only and owner-approved, unless the owner explicitly says:
+"Merge this PR now."
+
+Do not treat sequential PR completion as merge approval.
+
 ## OWNER Governance
 
 OWNER override wording:

diff --git a/docs_build/dev/ProjectInstructions/TEAM_START_COMMANDS.md b/docs_build/dev/ProjectInstructions/TEAM_START_COMMANDS.md
@@ -70,6 +70,8 @@ Work only that assignment.
 
 Ready-to-copy reminder:
 
+Confirmed required rule:
+
 ```text
 Commit/push during the day is allowed only on assigned team/OWNER/PR branches.
 

diff --git a/docs_build/dev/ProjectInstructions/addendums/multi_team.md b/docs_build/dev/ProjectInstructions/addendums/multi_team.md
@@ -28,6 +28,8 @@ Rules:
 
 ## Day Work / EOD Merge Rule
 
+Confirmed required rule:
+
 During active work:
 - Work happens on assigned team branches, OWNER branches, or scoped PR branches.
 - Commits are allowed only on assigned non-main branches.

diff --git a/...172_OWNER_019-day-work-eod-merge-governance-instruction-compliance-checklist.md b/...172_OWNER_019-day-work-eod-merge-governance-instruction-compliance-checklist.md
@@ -0,0 +1,14 @@
+# PR_26172_OWNER_019 Instruction Compliance Checklist
+
+- [x] Read `docs_build/dev/PROJECT_INSTRUCTIONS.md`.
+- [x] Read `docs_build/dev/PROJECT_MULTI_PC.txt`.
+- [x] Read `docs_build/dev/ProjectInstructions/README.txt`.
+- [x] OWNER override documented by user.
+- [x] Started from PR018 branch.
+- [x] Created branch `pr/26172-OWNER-019-day-work-eod-merge-governance`.
+- [x] Added or confirmed Day Work / EOD Merge rule.
+- [x] Did not delete ProjectInstructions content.
+- [x] Did not commit directly to `main`.
+- [x] Did not merge any PR.
+- [x] Ran docs/static validation.
+- [x] Created repo-structured delta ZIP.
diff --git a/...rts/PR_26172_OWNER_019-day-work-eod-merge-governance-manual-validation-notes.md b/...rts/PR_26172_OWNER_019-day-work-eod-merge-governance-manual-validation-notes.md
@@ -0,0 +1,7 @@
+# PR_26172_OWNER_019 Manual Validation Notes
+
+- Verified the required commit/push rule appears in ProjectInstructions.
+- Verified the required EOD merge rule appears in ProjectInstructions.
+- Verified `multi_team.md` confirms the required rule.
+- Verified `TEAM_START_COMMANDS.md` confirms the required rule.
+- Verified no runtime, UI, Playwright, or sample files changed.
diff --git a/docs_build/dev/reports/PR_26172_OWNER_019-day-work-eod-merge-governance.md b/docs_build/dev/reports/PR_26172_OWNER_019-day-work-eod-merge-governance.md
@@ -0,0 +1,33 @@
+# PR_26172_OWNER_019-day-work-eod-merge-governance
+
+## Scope
+
+Add and confirm Day Work / EOD Merge governance in the installed ProjectInstructions operating system.
+
+## Changes
+
+- Added the required Day Work / EOD Merge rule to `PROJECT_INSTRUCTIONS.md`.
+- Confirmed the required rule in `addendums/multi_team.md`.
+- Confirmed the required rule in `TEAM_START_COMMANDS.md`.
+
+## Required Rule
+
+Commit/push during the day is allowed only on assigned team/OWNER/PR branches.
+
+Merge to main is EOD-only and owner-approved, unless the owner explicitly says:
+"Merge this PR now."
+
+## Validation
+
+- `git diff --check`
+- `git diff --cached --check`
+- Text search for required Day Work / EOD Merge wording
+
+## Skipped Lanes
+
+- Playwright skipped: documentation-only governance.
+- Samples skipped: documentation-only governance.
+
+## Package
+
+- `tmp/PR_26172_OWNER_019-day-work-eod-merge-governance_delta.zip`
diff --git a/docs_build/dev/reports/codex_changed_files.txt b/docs_build/dev/reports/codex_changed_files.txt
@@ -1,12 +1,8 @@
+docs_build/dev/ProjectInstructions/PROJECT_INSTRUCTIONS.md
 docs_build/dev/ProjectInstructions/TEAM_START_COMMANDS.md
-docs_build/dev/ProjectInstructions/addendums/build_path_sync.md
-docs_build/dev/ProjectInstructions/addendums/deprecation.md
-docs_build/dev/ProjectInstructions/addendums/team_release_readiness.md
-docs_build/dev/ProjectInstructions/addendums/tile_overlay_status.md
-docs_build/dev/ProjectInstructions/backlog/BACKLOG_MASTER.md
-docs_build/dev/ProjectInstructions/team_assignments/TEAM_ASSIGNMENTS.md
-docs_build/dev/reports/PR_26172_OWNER_018-nato-team-normalization-instruction-compliance-checklist.md
-docs_build/dev/reports/PR_26172_OWNER_018-nato-team-normalization-manual-validation-notes.md
-docs_build/dev/reports/PR_26172_OWNER_018-nato-team-normalization.md
+docs_build/dev/ProjectInstructions/addendums/multi_team.md
+docs_build/dev/reports/PR_26172_OWNER_019-day-work-eod-merge-governance-instruction-compliance-checklist.md
+docs_build/dev/reports/PR_26172_OWNER_019-day-work-eod-merge-governance-manual-validation-notes.md
+docs_build/dev/reports/PR_26172_OWNER_019-day-work-eod-merge-governance.md
 docs_build/dev/reports/codex_changed_files.txt
 docs_build/dev/reports/codex_review.diff
-Original file line number
+Diff line change
@@ Expand Up / @@ -70,6 +70,8 @@ Work only that assignment. @@
     Ready-to-copy reminder:
+    Confirmed required rule:
     ```text
     Commit/push during the day is allowed only on assigned team/OWNER/PR branches.
@@ Expand Down @@