修正AGC退役后遗留的 prompt 源文件门禁与本地 Provider 冒烟断言

- prompt_source_boundaries.rs 移除已删除的 src/agent/interaction.rs 条目（否则读源文件直接 NotFound）
- smoke-agent-run-local-provider.mjs 删除已退役的画板回流建议断言，对应被删的 suggested_canvas_tool_call

apps/ai-game-creator-shell/scripts/smoke-agent-run-local-provider.mjs

@@ -518,16 +518,6 @@ try {
     ),
     'trace missing downstream publishing repair role',
   );
-  assert(
-    trace.steps.some((step) =>
-      step.toolCalls?.some(
-        (toolCall) =>
-          toolCall.toolId === 'agent.tool.suggest.canvas.project_sync' &&
-          toolCall.status === 'suggested',
-      ),
-    ),
-    'trace missing canvas project sync tool suggestion',
-  );
   assert(
     trace.steps.some(
       (step) =>

apps/ai-game-creator-shell/src-tauri/tests/prompt_source_boundaries.rs

@@ -233,14 +233,6 @@ fn prompt_entry_points_load_their_prose_from_external_files() {
                 "response_function_tool",
             ],
         ),
-        (
-            "src/agent/interaction.rs",
-            &[
-                "agent_runtime_steer_decision_function_tool",
-                "agent_interaction_system_prompt",
-                "build_agent_interaction_llm_request",
-            ],
-        ),
         (
             "src/context_compaction.rs",
             &[
@@ -364,7 +356,6 @@ fn tool_description_fields_use_external_text_references() {
     let mut paths = vec![
         root.join("src/agent/direct_tools_mcp.rs"),
         root.join("src/agent_native_tools.rs"),
-        root.join("src/agent/interaction.rs"),
     ];
     for entry in std::fs::read_dir(
         root.join("../../../server-rs/crates/platform-editor-agent/src/agent/tools"),