Validate multi-entity rewind support

Author: DavidQ

docs/dev/CODEX_COMMANDS.md

@@ -2,14 +2,12 @@ MODEL: GPT-5.3-codex
 REASONING: high
 
 COMMAND:
-Implement multi-entity timeline and selective rewind support in network_sample_c only.
+Validate multi-entity implementation in network_sample_c.
 
-- Introduce per-entity timeline buffers
-- Update reconciliation to operate per entity
-- Implement selective rewind execution
-- Extend debug visualization for multiple entities
+- Verify per-entity timelines
+- Verify selective rewind correctness
+- Verify debug outputs
 
 DO NOT:
-- Modify engine core APIs
-- Create or edit documentation
-- Expand beyond sample scope
+- modify docs
+- expand scope

docs/dev/COMMIT_COMMENT.txt

@@ -1,8 +1 @@
-Plan multi-entity rewind and reconciliation support for Level 11
-
-- Defines per-entity timeline buffers
-- Establishes entity-scoped reconciliation
-- Introduces selective rewind strategy
-- Expands debug visualization to multi-entity context
-
-Docs-only PR
+Validate multi-entity rewind support

docs/dev/reports/change_summary.txt

@@ -1 +1 @@
-Adds Level 11.5 planning docs for multi-entity rewind and reconciliation
+multi-entity update

docs/dev/reports/file_tree.txt

@@ -1,14 +1 @@
-docs/
-  pr/
-    PLAN_PR_LEVEL_11_5_MULTI_ENTITY_SUPPORT.md
-  dev/
-    MULTI_ENTITY_TIMELINE_SPEC.md
-    ENTITY_RECONCILIATION_SPEC.md
-    SELECTIVE_REWIND_SPEC.md
-    DEBUG_MULTI_ENTITY_SPEC.md
-    codex_commands.md
-    commit_comment.txt
-    reports/
-      file_tree.txt
-      change_summary.txt
-      validation_checklist.txt
+updated

docs/dev/reports/validation_checklist.txt

@@ -1,4 +1 @@
-- Docs only
-- No engine changes
-- Sample-scoped design
-- Matches repo conventions
+ok

docs/pr/BUILD_PR_LEVEL_11_5_MULTI_ENTITY_SUPPORT.md

@@ -0,0 +1,13 @@
+# BUILD PR LEVEL 11.5 — Multi-Entity Support
+
+## Objective
+Validate and stabilize multi-entity timeline and selective rewind implementation.
+
+## Scope
+- Multi-entity timeline correctness
+- Selective rewind per entity
+- Debug surface validation
+
+## Constraints
+- Sample only
+- No engine changes

docs/roadmaps/NETWORK_SAMPLES_PLAN.md

@@ -36,12 +36,12 @@ Track the staged network sample journey for debug surface support using a strict
 
 # TRACK P — DIVERGENCE / TRACE SAMPLE
 
-- [.] Sample C — Divergence / Trace Validation
+- [x] Sample C — Divergence / Trace Validation
 - [x] Deterministic mismatch scenario
 - [x] Event sequencing timeline
 - [x] Divergence explanation notes
 - [x] Reproduction guide
-- [.] Validation checklist
+- [x] Validation checklist
 
 ---
 
@@ -50,7 +50,7 @@ Track the staged network sample journey for debug surface support using a strict
 - [x] Connection status panel
 - [.] Latency / RTT panel
 - [ ] Replication state viewer
-- [ ] Client/server divergence inspector
+- [x] Client/server divergence inspector
 - [.] Event tracing panel
 
 ---
@@ -61,17 +61,17 @@ Track the staged network sample journey for debug surface support using a strict
 - [x] network.status
 - [x] network.latency
 - [ ] network.replication
-- [ ] network.divergence
+- [x] network.divergence
 - [x] network.trace
 - [ ] network.sample.*
 
 ---
 
 # TRACK S — READINESS TO PROMOTE
 
-- [ ] Sample-backed provider validation
-- [ ] Sample-backed panel validation
-- [ ] Operator command validation
+- [.] Sample-backed provider validation
+- [.] Sample-backed panel validation
+- [.] Operator command validation
 - [ ] Debug-only gating validation
 - [ ] Promotion recommendation