apply docker runtime for server hosting and validate — APPLY_PR_LEVEL_12_5_SERVER_HOSTING_DOCKER_RUNTIME

Author: DavidQ

docs/dev/CODEX_COMMANDS.md

@@ -1,6 +1,6 @@
 MODEL: GPT-5.3-codex
-REASONING: high
+REASONING: low
 COMMAND:
-Prepare implementation-ready Docker runtime plan for authoritative server.
-Keep scope minimal (single-node).
-Update roadmap markers only.
+Finalize APPLY_PR_LEVEL_12_5_SERVER_HOSTING_DOCKER_RUNTIME.
+Update docs/dev/roadmaps/MASTER_ROADMAP_HIGH_LEVEL.md markers only.
+Do not modify wording or structure.

docs/dev/COMMIT_COMMENT.txt

@@ -1 +1 @@
-define docker runtime for authoritative server hosting — PLAN_PR_LEVEL_12_5_SERVER_HOSTING_DOCKER_RUNTIME
+apply docker runtime for server hosting and validate — APPLY_PR_LEVEL_12_5_SERVER_HOSTING_DOCKER_RUNTIME

docs/dev/reports/validation_checklist.txt

@@ -1,4 +1,5 @@
-- docker runtime defined
-- startup lifecycle defined
-- connection path defined
-- roadmap rule enforced
+- container builds
+- server runs
+- client connects
+- lifecycle verified
+- roadmap updated

docs/dev/roadmaps/MASTER_ROADMAP_HIGH_LEVEL.md

@@ -611,7 +611,7 @@
 - [x] authoritative live server runtime
 - [x] replication/client application
 - [x] playable real multiplayer validation
-- [.] server hosting + Docker containerization
+- [x] server hosting + Docker containerization
 - [ ] promotion/readiness gate
 - [x] include samples for phase 13
 

docs/pr/APPLY_PR_LEVEL_12_5_SERVER_HOSTING_DOCKER_RUNTIME.md

@@ -0,0 +1,14 @@
+# APPLY_PR_LEVEL_12_5_SERVER_HOSTING_DOCKER_RUNTIME
+
+## Apply Summary
+Docker-based authoritative server runtime applied and validated.
+
+## Validation Results
+- Container builds successfully
+- Server starts inside container
+- Client connects via exposed port
+- Session lifecycle verified
+- Local/LAN execution confirmed
+
+## Status
+APPLY complete. Docker runtime operational.