fix(desktop): initialize MCP defaults after rebase

New snapshot construction sites added after the original MCP change require empty local-only MCP configuration. Raise the discovery fixture-file exception by the two required fields.

Co-authored-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Will Pfleger <pfleger.will@gmail.com>

desktop/scripts/check-file-sizes.mjs

@@ -290,9 +290,10 @@ const overrides = new Map([
   // candidates, cli_install_commands_for_os PowerShell selection, login_shell_path
   // None regression, .cmd shim resolution, no-git-bash error hint.
   // +32: deterministic .cmd resolver + no-registry + install_shell_from tests.
-  // team-instructions-first-class: record_with test fixture gained the new
-  // ManagedAgentRecord.team_id field (+1 line) alongside persona_team_dir.
-  ["src-tauri/src/managed_agents/discovery/tests.rs", 1271],
+  // `team-instructions-first-class` added `team_id`; MCP configuration added
+  // two required `mcp_servers` test-fixture fields. The gate counts the
+  // trailing newline, so 1,272 physical lines are 1,273 counted lines.
+  ["src-tauri/src/managed_agents/discovery/tests.rs", 1273],
   // identity-import-keyring: the identity resolution state machine's behavioral
   // matrix (46 tests over FakeIdentityStore — probe × marker × file cells,
   // adoption / read-back-corruption / marker-failure arms, recovery-mode

desktop/src-tauri/src/commands/team_snapshot.rs

@@ -132,6 +132,7 @@ fn definition_from_snapshot(
         source_team: None,
         source_team_persona_slug: None,
         env_vars: Default::default(),
+        mcp_servers: Default::default(),
         respond_to,
         respond_to_allowlist: behavior.respond_to_allowlist,
         parallelism: behavior.parallelism,

desktop/src-tauri/src/commands/team_snapshot/tests.rs

@@ -67,6 +67,7 @@ fn team_export_round_trip_preserves_team_and_excludes_member_memory() {
             source_team: None,
             source_team_persona_slug: None,
             env_vars: Default::default(),
+            mcp_servers: vec![],
             respond_to: None,
             respond_to_allowlist: vec![],
             parallelism: None,
@@ -87,6 +88,7 @@ fn team_export_round_trip_preserves_team_and_excludes_member_memory() {
             source_team: None,
             source_team_persona_slug: None,
             env_vars: Default::default(),
+            mcp_servers: vec![],
             respond_to: None,
             respond_to_allowlist: vec![],
             parallelism: None,

desktop/src-tauri/src/managed_agents/team_snapshot.rs

@@ -278,6 +278,7 @@ mod tests {
                 m.insert("API_KEY".to_string(), "secret123".to_string()); // MUST NOT appear
                 m
             },
+            mcp_servers: vec![],
             start_on_app_launch: false,
             auto_restart_on_config_change: true,
             runtime_pid: None,