feat(embedding,vision): candle embeddings with offline fallback, on-demand clipboard vision capture, and concurrency audit

server/src/handlers/notes.rs

@@ -43,6 +43,7 @@ impl McpTool for StickyNotesHandler {
                         timestamp: now,
                         content,
                         expires_at,
+                        ..Default::default()
                     });
                 });
                 Ok("Sticky note added.".to_string())
@@ -72,9 +73,11 @@ impl McpTool for StickyNotesHandler {
                 })?;
                 let mut success = false;
                 state.code.sticky.modify(|notes| {
-                    let target_pos = if idx == 0 { 0 } else { idx - 1 };
-                    if target_pos < notes.len() {
-                        notes.remove(target_pos);
+                    if idx > 0 && idx <= notes.len() {
+                        notes.remove(idx - 1);
+                        success = true;
+                    } else if idx == 0 && !notes.is_empty() {
+                        notes.remove(0);
                         success = true;
                     }
                 });
@@ -129,6 +132,7 @@ impl McpTool for HandoffMemosHandler {
                         namespace: ns,
                         timestamp: crate::handlers::utils::now_secs(),
                         expires_at: None,
+                        ..Default::default()
                     });
                     if memos.len() > 200 {
                         memos.remove(0);
@@ -190,6 +194,7 @@ impl McpTool for AddSessionSummaryHandler {
                 namespace: req.namespace,
                 timestamp: crate::handlers::utils::now_secs(),
                 expires_at: None,
+                ..Default::default()
             });
             if summaries.len() > 200 {
                 summaries.remove(0);
@@ -273,6 +278,7 @@ impl McpTool for PromoteToEntityHandler {
                     observations: Vec::new(),
                     namespace,
                     git_branch: None,
+                    ..Default::default()
                 });
             if !entity.observations.contains(&obs) {
                 entity.observations.push(obs.clone());