Add composio gmail_sync_query to scope background Gmail ingestion

src/openhuman/config/schema/tools/integrations.rs

@@ -63,6 +63,15 @@ pub struct ComposioConfig {
     /// the keychain-backed value over this field. Default `None`.
     #[serde(default)]
     pub api_key: Option<String>,
+
+    /// Gmail search query that scopes the background Gmail→memory sync to
+    /// matching messages only (full Gmail search syntax — `label:brain`,
+    /// `from:someone`, `newer_than:30d`; space-separated clauses AND).
+    /// Empty (the default) = the whole inbox window. On-demand agent access
+    /// to Gmail is unaffected — this gates only what auto-ingests into
+    /// memory.
+    #[serde(default)]
+    pub gmail_sync_query: String,
 }
 
 fn default_entity_id() -> String {
@@ -78,6 +87,7 @@ impl Default for ComposioConfig {
             triage_disabled_toolkits: Vec::new(),
             mode: default_composio_mode(),
             api_key: None,
+            gmail_sync_query: String::new(),
         }
     }
 }

src/openhuman/memory/host.rs

@@ -138,14 +138,9 @@ impl MemoryHostConfig for Config {
             entity_id: self.composio.entity_id.clone(),
             api_key: self.composio.api_key.clone(),
             triage_disabled: self.composio.triage_disabled,
-            // `None` = the whole inbox window, which is exactly what this host
-            // does today. The field is new on the contract (tinymemory#115-ish)
-            // and scopes the *background* Gmail sync to a search query;
-            // OpenHuman's `[integrations.composio]` has no such setting, so
-            // there is nothing to forward and inventing a default here would
-            // silently narrow what gets synced. Exposing it needs a config
-            // field, its schema and a migration — a follow-up, not this branch.
-            gmail_sync_query: None,
+            gmail_sync_query: Some(self.composio.gmail_sync_query.trim())
+                .filter(|q| !q.is_empty())
+                .map(str::to_string),
         }
     }