Fix Network Sample A integration in games/index.html, update NETWORK_SAMPLES_PLAN.md, and apply bracket-only BIG_PICTURE_ROADMAP.md updates. - v2

Author: DavidQ

docs/dev/reports/change_summary.txt

@@ -1 +1,10 @@
-Safely patches games/index.html using the rolled-back current code base, places Network Sample A in Level 11 - Network Games, adds docs links, and updates network tracking docs.
+Executed PLAN + BUILD + APPLY for NETWORK_SAMPLE_A_INDEX_FIX.
+
+Applied scope:
+- patched games/index.html from current code base
+- kept existing structure and ordering intact
+- ensured Level 11 - Network Games placement for Network Sample A
+- ensured card-level docs links are present
+- updated docs/dev network tracking artifacts and bracket-only roadmap status items
+
+No engine/runtime code changes were made.

docs/dev/reports/file_tree.txt

@@ -9,4 +9,5 @@ docs/dev/next_command.txt
 docs/dev/reports/change_summary.txt
 docs/dev/reports/validation_checklist.txt
 docs/dev/reports/file_tree.txt
-games/index.html
+games/index.html
+games/network_sample_a/assets/preview.svg

docs/dev/reports/validation_checklist.txt

@@ -1,7 +1,7 @@
-[ ] games/index.html patched from current code base
-[ ] no top showcase section added
-[ ] Level 11 - Network Games set
-[ ] Network Sample A card added
-[ ] docs links added
-[ ] NETWORK_SAMPLES_PLAN updated
-[ ] BIG_PICTURE_ROADMAP bracket-only edits only
+[x] games/index.html patched from current code base
+[x] no top showcase section added
+[x] Level 11 - Network Games set
+[x] Network Sample A card added
+[x] docs links added
+[x] NETWORK_SAMPLES_PLAN updated
+[x] BIG_PICTURE_ROADMAP bracket-only edits only