building out the components, updating the UI in overview and adding a little sqlite viewer

src-tauri/src/rag/mod.rs

@@ -179,6 +179,30 @@ impl RagStore {
         }
         Ok(())
     }
+
+    /// Preview chunks for a source: (id, first 200 chars of text). Used by the
+    /// Lore panel so a DM can see what actually got embedded without a full dump.
+    pub fn list_chunks(&self, source: &str) -> anyhow::Result<Vec<(i64, String)>> {
+        let db = self.db.lock().map_err(|e| anyhow::anyhow!("db lock: {e}"))?;
+        let mut stmt = db.prepare("SELECT id, substr(text, 1, 200) FROM chunks WHERE source = ? ORDER BY id")?;
+        let rows = stmt.query_map(params![source], |r| {
+            Ok((r.get::<_, i64>(0)?, r.get::<_, String>(1)?))
+        })?;
+        let mut out = Vec::new();
+        for r in rows {
+            out.push(r?);
+        }
+        Ok(out)
+    }
+
+    /// Read-only SQL pass-through for the advanced SQLite viewer.
+    pub fn raw_query(
+        &self,
+        sql: &str,
+    ) -> anyhow::Result<(Vec<String>, Vec<Vec<serde_json::Value>>)> {
+        let db = self.db.lock().map_err(|e| anyhow::anyhow!("db lock: {e}"))?;
+        crate::sql_viewer::run_readonly_query(&db, sql)
+    }
 }
 
 #[cfg(test)]