Remove .gitmodules and update docs

.gitmodules

@@ -1,9 +0,0 @@
-[submodule "flaredb"]
-	path = flaredb
-	url = ./flaredb
-[submodule "chainfire"]
-	path = chainfire
-	url = ./chainfire
-[submodule "iam"]
-	path = iam
-	url = ./iam

docs/por/POR.md

@@ -84,7 +84,7 @@
 - R5: IAM compile regression - RESOLVED: replaced Resource::scope() with Scope::project() construction (closed)
 - R6: NovaNET tenant isolation bypass (CRITICAL) - RESOLVED: proto/metadata/services enforce org/project context (Get/Update/Delete/List) + cross-tenant denial test; S3 unblocked
 - R7: flashdns/lightningstor compile failure - RESOLVED: added `env` feature to clap in both Cargo.toml; 9/9 compile (closed)
-- R8: nix submodule visibility - ACTIVE: git submodules (chainfire/flaredb/iam) not visible in nix store; `nix build` fails with "path does not exist"; **Fix: fetchGit with submodules=true** | Blocks T026.S1
+- R8: nix submodule visibility - INVESTIGATING: scope TBD (local vs CI only); local `builtins.path` may work, remote `fetchGit` fails; **Test local nix build to determine severity** | T026.S1 potentially blocked
 
 ## Active Work
 > Real-time task status: press T in TUI or run `/task` in IM

docs/por/scope.yaml

@@ -1,5 +1,5 @@
 version: '1.0'
-updated: '2025-12-09T06:05:52.559294'
+updated: '2025-12-09T06:28:21.566273'
 tasks:
 - T001
 - T002