fix(dashboard,server): restore code change ledger UI and enrich model schema parity and pagination

server/src/tools.rs

@@ -138,6 +138,8 @@ pub struct QueryRecentChangesTool {
     pub vcs_type: Option<String>,
     /// Maximum number of records to return (defaults to 50).
     pub limit: Option<usize>,
+    /// Optional offset for pagination.
+    pub offset: Option<usize>,
 }
 
 /// Generate a visual representation of the knowledge graph.
@@ -255,6 +257,18 @@ pub struct AddSessionSummaryTool {
     /// The namespace to add the summary to.
     #[serde(default = "crate::models::default_namespace")]
     pub namespace: String,
+    /// Optional conversation or session ID.
+    pub session_id: Option<String>,
+    /// Optional repository name.
+    pub repo_name: Option<String>,
+    /// Optional git branch.
+    pub git_branch: Option<String>,
+    /// Optional git commit hash.
+    pub git_commit: Option<String>,
+    /// Optional list of completed task IDs or task summaries in this session.
+    pub tasks_completed: Option<Vec<String>>,
+    /// Optional list of recommended next steps for incoming agents.
+    pub next_steps: Option<Vec<String>>,
 }
 /// Generate a standup report for a specific time window.
 #[derive(Debug, Deserialize, Serialize, JsonSchema)]
@@ -683,6 +697,8 @@ pub struct TasksTool {
     /// Optional assigned subagent role or identifier.
     pub assigned_agent: Option<String>,
     /// Optional verification command to validate criteria completion.
+    /// Optional pagination offset for 'list'.
+    pub offset: Option<usize>,
     pub verification_command: Option<String>,
 }