refactor(sdm): Global pass with refined 'External Only' SDM tags. Pruned redundant internal references and fixed indentation logic in injector. Verified full project compilation.

config.toml

@@ -1,6 +1,6 @@
 [ai]
-provider = "minimax"
-model = "MiniMax-M2.5"
+provider = "gemini"
+model = "gemini-2.5-flash-lite"
 temperature = 0.0
 top_p = 1.0
 max_tokens = 32000
@@ -24,7 +24,7 @@ bg_shader_enabled = false
 crt_filter_enabled = false
 separate_task_dag = false
 separate_usage_analytics = false
-separate_tier1 = false
+separate_tier1 = true
 separate_tier2 = false
 separate_tier3 = false
 separate_tier4 = false
@@ -36,7 +36,7 @@ separate_external_tools = false
 "AI Settings" = true
 "MMA Dashboard" = true
 "Task DAG" = false
-"Usage Analytics" = false
+"Usage Analytics" = true
 "Tier 1" = false
 "Tier 2" = false
 "Tier 3" = false