diff --git a/AGENT.md b/AGENT.md
index 64033489..54ad768f 100644
--- a/AGENT.md
+++ b/AGENT.md
@@ -73,3 +73,5 @@ Try to build the Typescript project after any frontend changes `npm run build`
 
 SQLX queries should be located in backend/src/models/\*
 Use getters and setters instead of raw SQL queries where possible.
+
+DATABASE_URL=sqlite:/Users/louisknight-webb/Documents/mission-control.sqlite
diff --git a/backend/.sqlx/query-2b1e71e53fbf99fef22324cda3c9c6d5c470dee4d117521362d68678f655863d.json b/backend/.sqlx/query-0133ba2ace195776eaa714981cdf492d2eaa3dc97dc3379b549a3c4fb8309975.json
similarity index 58%
rename from backend/.sqlx/query-2b1e71e53fbf99fef22324cda3c9c6d5c470dee4d117521362d68678f655863d.json
rename to backend/.sqlx/query-0133ba2ace195776eaa714981cdf492d2eaa3dc97dc3379b549a3c4fb8309975.json
index e1e6646c..eb9c9f17 100644
--- a/backend/.sqlx/query-2b1e71e53fbf99fef22324cda3c9c6d5c470dee4d117521362d68678f655863d.json
+++ b/backend/.sqlx/query-0133ba2ace195776eaa714981cdf492d2eaa3dc97dc3379b549a3c4fb8309975.json
@@ -1,12 +1,12 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT id, name, git_repo_path, created_at, updated_at FROM projects WHERE git_repo_path = $1",
+  "query": "SELECT id as \"id!: Uuid\", name, git_repo_path, created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\" FROM projects WHERE id = $1",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "name",
@@ -19,12 +19,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 3,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 4,
         "type_info": "Text"
       }
@@ -40,5 +40,5 @@
       false
     ]
   },
-  "hash": "2b1e71e53fbf99fef22324cda3c9c6d5c470dee4d117521362d68678f655863d"
+  "hash": "0133ba2ace195776eaa714981cdf492d2eaa3dc97dc3379b549a3c4fb8309975"
 }
diff --git a/backend/.sqlx/query-0bdcd1ef7dad9ce28357ca36ab38cde77bb3e3c8cae51da14eefd08de76e96c1.json b/backend/.sqlx/query-022ee13a4082ece0cec1100f5c8c4dc5ecbf84018e1c6b735891ec4057e99f72.json
similarity index 57%
rename from backend/.sqlx/query-0bdcd1ef7dad9ce28357ca36ab38cde77bb3e3c8cae51da14eefd08de76e96c1.json
rename to backend/.sqlx/query-022ee13a4082ece0cec1100f5c8c4dc5ecbf84018e1c6b735891ec4057e99f72.json
index 553b21be..7352ca3a 100644
--- a/backend/.sqlx/query-0bdcd1ef7dad9ce28357ca36ab38cde77bb3e3c8cae51da14eefd08de76e96c1.json
+++ b/backend/.sqlx/query-022ee13a4082ece0cec1100f5c8c4dc5ecbf84018e1c6b735891ec4057e99f72.json
@@ -1,12 +1,12 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT id, name, git_repo_path, created_at, updated_at FROM projects ORDER BY created_at DESC",
+  "query": "SELECT id as \"id!: Uuid\", name, git_repo_path, created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\" FROM projects ORDER BY created_at DESC",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "name",
@@ -19,12 +19,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 3,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 4,
         "type_info": "Text"
       }
@@ -40,5 +40,5 @@
       false
     ]
   },
-  "hash": "0bdcd1ef7dad9ce28357ca36ab38cde77bb3e3c8cae51da14eefd08de76e96c1"
+  "hash": "022ee13a4082ece0cec1100f5c8c4dc5ecbf84018e1c6b735891ec4057e99f72"
 }
diff --git a/backend/.sqlx/query-03f2b02ba6dc5ea2b3cf6b1004caea0ad6bcc10ebd63f441d321a389f026e263.json b/backend/.sqlx/query-03f2b02ba6dc5ea2b3cf6b1004caea0ad6bcc10ebd63f441d321a389f026e263.json
new file mode 100644
index 00000000..25f4956f
--- /dev/null
+++ b/backend/.sqlx/query-03f2b02ba6dc5ea2b3cf6b1004caea0ad6bcc10ebd63f441d321a389f026e263.json
@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "UPDATE task_attempts SET merge_commit = $1, updated_at = datetime('now') WHERE id = $2",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 2
+    },
+    "nullable": []
+  },
+  "hash": "03f2b02ba6dc5ea2b3cf6b1004caea0ad6bcc10ebd63f441d321a389f026e263"
+}
diff --git a/backend/.sqlx/query-0ac126dc834dc72fd7cbf4cc32ab23fec591cd48114905fadc59d15c38c9718c.json b/backend/.sqlx/query-0ac126dc834dc72fd7cbf4cc32ab23fec591cd48114905fadc59d15c38c9718c.json
new file mode 100644
index 00000000..526e1e44
--- /dev/null
+++ b/backend/.sqlx/query-0ac126dc834dc72fd7cbf4cc32ab23fec591cd48114905fadc59d15c38c9718c.json
@@ -0,0 +1,62 @@
+{
+  "db_name": "SQLite",
+  "query": "SELECT \n                t.id as \"id!: Uuid\", \n                t.project_id as \"project_id!: Uuid\", \n                t.title, \n                t.description, \n                t.status as \"status!: TaskStatus\", \n                t.created_at as \"created_at!: DateTime<Utc>\", \n                t.updated_at as \"updated_at!: DateTime<Utc>\",\n                CASE WHEN in_progress_attempts.task_id IS NOT NULL THEN true ELSE false END as \"has_in_progress_attempt!\"\n               FROM tasks t\n               LEFT JOIN (\n                   SELECT DISTINCT ta.task_id \n                   FROM task_attempts ta\n                   INNER JOIN (\n                       SELECT task_attempt_id, MAX(created_at) as latest_created_at\n                       FROM task_attempt_activities\n                       GROUP BY task_attempt_id\n                   ) latest_activity ON ta.id = latest_activity.task_attempt_id\n                   INNER JOIN task_attempt_activities taa ON ta.id = taa.task_attempt_id \n                       AND taa.created_at = latest_activity.latest_created_at\n                   WHERE taa.status = 'inprogress'\n               ) in_progress_attempts ON t.id = in_progress_attempts.task_id\n               WHERE t.project_id = $1 \n               ORDER BY t.created_at DESC",
+  "describe": {
+    "columns": [
+      {
+        "name": "id!: Uuid",
+        "ordinal": 0,
+        "type_info": "Blob"
+      },
+      {
+        "name": "project_id!: Uuid",
+        "ordinal": 1,
+        "type_info": "Blob"
+      },
+      {
+        "name": "title",
+        "ordinal": 2,
+        "type_info": "Text"
+      },
+      {
+        "name": "description",
+        "ordinal": 3,
+        "type_info": "Text"
+      },
+      {
+        "name": "status!: TaskStatus",
+        "ordinal": 4,
+        "type_info": "Text"
+      },
+      {
+        "name": "created_at!: DateTime<Utc>",
+        "ordinal": 5,
+        "type_info": "Text"
+      },
+      {
+        "name": "updated_at!: DateTime<Utc>",
+        "ordinal": 6,
+        "type_info": "Text"
+      },
+      {
+        "name": "has_in_progress_attempt!",
+        "ordinal": 7,
+        "type_info": "Int"
+      }
+    ],
+    "parameters": {
+      "Right": 1
+    },
+    "nullable": [
+      true,
+      false,
+      false,
+      true,
+      false,
+      false,
+      false,
+      false
+    ]
+  },
+  "hash": "0ac126dc834dc72fd7cbf4cc32ab23fec591cd48114905fadc59d15c38c9718c"
+}
diff --git a/backend/.sqlx/query-0f797f257a16320fc6b5b7bb0ad6a859b85395d3cd1872c0ca071c81ade6e3fe.json b/backend/.sqlx/query-0f797f257a16320fc6b5b7bb0ad6a859b85395d3cd1872c0ca071c81ade6e3fe.json
deleted file mode 100644
index 3d455041..00000000
--- a/backend/.sqlx/query-0f797f257a16320fc6b5b7bb0ad6a859b85395d3cd1872c0ca071c81ade6e3fe.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "db_name": "SQLite",
-  "query": "SELECT id FROM projects WHERE id = $1",
-  "describe": {
-    "columns": [
-      {
-        "name": "id",
-        "ordinal": 0,
-        "type_info": "Text"
-      }
-    ],
-    "parameters": {
-      "Right": 1
-    },
-    "nullable": [
-      true
-    ]
-  },
-  "hash": "0f797f257a16320fc6b5b7bb0ad6a859b85395d3cd1872c0ca071c81ade6e3fe"
-}
diff --git a/backend/.sqlx/query-b9345914c95a6c014776cf0cbb23dc6c34baaed0ac31f92283c612556727de9b.json b/backend/.sqlx/query-18bfb3eb9408e5268bccf7a17fe02424df8ae3130b70aaad64c5342c198011c9.json
similarity index 56%
rename from backend/.sqlx/query-b9345914c95a6c014776cf0cbb23dc6c34baaed0ac31f92283c612556727de9b.json
rename to backend/.sqlx/query-18bfb3eb9408e5268bccf7a17fe02424df8ae3130b70aaad64c5342c198011c9.json
index 11c0524b..64e0e721 100644
--- a/backend/.sqlx/query-b9345914c95a6c014776cf0cbb23dc6c34baaed0ac31f92283c612556727de9b.json
+++ b/backend/.sqlx/query-18bfb3eb9408e5268bccf7a17fe02424df8ae3130b70aaad64c5342c198011c9.json
@@ -1,12 +1,12 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT id, name, git_repo_path, created_at, updated_at FROM projects WHERE git_repo_path = $1 AND id != $2",
+  "query": "SELECT id as \"id!: Uuid\", name, git_repo_path, created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\" FROM projects WHERE git_repo_path = $1 AND id != $2",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "name",
@@ -19,12 +19,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 3,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 4,
         "type_info": "Text"
       }
@@ -40,5 +40,5 @@
       false
     ]
   },
-  "hash": "b9345914c95a6c014776cf0cbb23dc6c34baaed0ac31f92283c612556727de9b"
+  "hash": "18bfb3eb9408e5268bccf7a17fe02424df8ae3130b70aaad64c5342c198011c9"
 }
diff --git a/backend/.sqlx/query-daf039c3aa78ebae2a9a309f46a30442b14082f48b1634c27eaf8bf6d66b4802.json b/backend/.sqlx/query-1b24e3eeb2782cdb4e5b98a1b82eeba8eb9b51a5b09dde436da6800d29277b1c.json
similarity index 62%
rename from backend/.sqlx/query-daf039c3aa78ebae2a9a309f46a30442b14082f48b1634c27eaf8bf6d66b4802.json
rename to backend/.sqlx/query-1b24e3eeb2782cdb4e5b98a1b82eeba8eb9b51a5b09dde436da6800d29277b1c.json
index 5d6cb753..ff354bb6 100644
--- a/backend/.sqlx/query-daf039c3aa78ebae2a9a309f46a30442b14082f48b1634c27eaf8bf6d66b4802.json
+++ b/backend/.sqlx/query-1b24e3eeb2782cdb4e5b98a1b82eeba8eb9b51a5b09dde436da6800d29277b1c.json
@@ -1,17 +1,17 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT id, task_id, worktree_path, base_commit, merge_commit, executor, stdout, stderr, created_at, updated_at \n               FROM task_attempts \n               WHERE id = $1",
+  "query": "SELECT id as \"id!: Uuid\", task_id as \"task_id!: Uuid\", worktree_path, base_commit, merge_commit, executor, stdout, stderr, created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\"\n               FROM task_attempts \n               WHERE task_id = $1 \n               ORDER BY created_at DESC",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
-        "name": "task_id",
+        "name": "task_id!: Uuid",
         "ordinal": 1,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "worktree_path",
@@ -44,12 +44,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 8,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 9,
         "type_info": "Text"
       }
@@ -70,5 +70,5 @@
       false
     ]
   },
-  "hash": "daf039c3aa78ebae2a9a309f46a30442b14082f48b1634c27eaf8bf6d66b4802"
+  "hash": "1b24e3eeb2782cdb4e5b98a1b82eeba8eb9b51a5b09dde436da6800d29277b1c"
 }
diff --git a/backend/.sqlx/query-2b317dcc5541a2b778f7c280e7e16976aa603741eda05d663c713e6f91bb5cd6.json b/backend/.sqlx/query-2b317dcc5541a2b778f7c280e7e16976aa603741eda05d663c713e6f91bb5cd6.json
new file mode 100644
index 00000000..a38cbf82
--- /dev/null
+++ b/backend/.sqlx/query-2b317dcc5541a2b778f7c280e7e16976aa603741eda05d663c713e6f91bb5cd6.json
@@ -0,0 +1,44 @@
+{
+  "db_name": "SQLite",
+  "query": "SELECT id as \"id!: Uuid\", task_attempt_id as \"task_attempt_id!: Uuid\", status as \"status!: TaskAttemptStatus\", note, created_at as \"created_at!: DateTime<Utc>\"\n               FROM task_attempt_activities \n               WHERE task_attempt_id = $1 \n               ORDER BY created_at DESC",
+  "describe": {
+    "columns": [
+      {
+        "name": "id!: Uuid",
+        "ordinal": 0,
+        "type_info": "Blob"
+      },
+      {
+        "name": "task_attempt_id!: Uuid",
+        "ordinal": 1,
+        "type_info": "Blob"
+      },
+      {
+        "name": "status!: TaskAttemptStatus",
+        "ordinal": 2,
+        "type_info": "Text"
+      },
+      {
+        "name": "note",
+        "ordinal": 3,
+        "type_info": "Text"
+      },
+      {
+        "name": "created_at!: DateTime<Utc>",
+        "ordinal": 4,
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Right": 1
+    },
+    "nullable": [
+      true,
+      false,
+      false,
+      true,
+      false
+    ]
+  },
+  "hash": "2b317dcc5541a2b778f7c280e7e16976aa603741eda05d663c713e6f91bb5cd6"
+}
diff --git a/backend/.sqlx/query-b7dcce1a1dca74bdebca528fbd03cd26293430587af27798c3297d95e06c99af.json b/backend/.sqlx/query-2c1e9b7c0038a44d9b78791538529107aeaa6bd49501316b67dceb908df873a1.json
similarity index 54%
rename from backend/.sqlx/query-b7dcce1a1dca74bdebca528fbd03cd26293430587af27798c3297d95e06c99af.json
rename to backend/.sqlx/query-2c1e9b7c0038a44d9b78791538529107aeaa6bd49501316b67dceb908df873a1.json
index 89316d28..bdf70e72 100644
--- a/backend/.sqlx/query-b7dcce1a1dca74bdebca528fbd03cd26293430587af27798c3297d95e06c99af.json
+++ b/backend/.sqlx/query-2c1e9b7c0038a44d9b78791538529107aeaa6bd49501316b67dceb908df873a1.json
@@ -1,17 +1,17 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT id, project_id, title, description, status as \"status!: TaskStatus\", created_at, updated_at \n               FROM tasks \n               WHERE project_id = $1 \n               ORDER BY created_at DESC",
+  "query": "SELECT id as \"id!: Uuid\", project_id as \"project_id!: Uuid\", title, description, status as \"status!: TaskStatus\", created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\"\n               FROM tasks \n               WHERE project_id = $1 \n               ORDER BY created_at DESC",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
-        "name": "project_id",
+        "name": "project_id!: Uuid",
         "ordinal": 1,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "title",
@@ -29,12 +29,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 5,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 6,
         "type_info": "Text"
       }
@@ -52,5 +52,5 @@
       false
     ]
   },
-  "hash": "b7dcce1a1dca74bdebca528fbd03cd26293430587af27798c3297d95e06c99af"
+  "hash": "2c1e9b7c0038a44d9b78791538529107aeaa6bd49501316b67dceb908df873a1"
 }
diff --git a/backend/.sqlx/query-3380f443d21ac408f96b014830322bd3411296b9ee8d29fe5f18974221bb0035.json b/backend/.sqlx/query-3380f443d21ac408f96b014830322bd3411296b9ee8d29fe5f18974221bb0035.json
new file mode 100644
index 00000000..fd696cf9
--- /dev/null
+++ b/backend/.sqlx/query-3380f443d21ac408f96b014830322bd3411296b9ee8d29fe5f18974221bb0035.json
@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "UPDATE task_attempts SET stdout = COALESCE(stdout, '') || $1, updated_at = datetime('now') WHERE id = $2",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 2
+    },
+    "nullable": []
+  },
+  "hash": "3380f443d21ac408f96b014830322bd3411296b9ee8d29fe5f18974221bb0035"
+}
diff --git a/backend/.sqlx/query-ce7a3bd6c160c3eda73600590737c2082f9d772adefc5b32c784a337f4b49065.json b/backend/.sqlx/query-36241e9163a8c496f8e6a662bd50cdfe38a57757432de65d75bf6a10ea134530.json
similarity index 61%
rename from backend/.sqlx/query-ce7a3bd6c160c3eda73600590737c2082f9d772adefc5b32c784a337f4b49065.json
rename to backend/.sqlx/query-36241e9163a8c496f8e6a662bd50cdfe38a57757432de65d75bf6a10ea134530.json
index d77bd75a..58c1c2c2 100644
--- a/backend/.sqlx/query-ce7a3bd6c160c3eda73600590737c2082f9d772adefc5b32c784a337f4b49065.json
+++ b/backend/.sqlx/query-36241e9163a8c496f8e6a662bd50cdfe38a57757432de65d75bf6a10ea134530.json
@@ -1,17 +1,17 @@
 {
   "db_name": "SQLite",
-  "query": "UPDATE tasks \n               SET title = $3, description = $4, status = $5 \n               WHERE id = $1 AND project_id = $2 \n               RETURNING id, project_id, title, description, status as \"status!: TaskStatus\", created_at, updated_at",
+  "query": "UPDATE tasks \n               SET title = $3, description = $4, status = $5 \n               WHERE id = $1 AND project_id = $2 \n               RETURNING id as \"id!: Uuid\", project_id as \"project_id!: Uuid\", title, description, status as \"status!: TaskStatus\", created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\"",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
-        "name": "project_id",
+        "name": "project_id!: Uuid",
         "ordinal": 1,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "title",
@@ -29,12 +29,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 5,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 6,
         "type_info": "Text"
       }
@@ -52,5 +52,5 @@
       false
     ]
   },
-  "hash": "ce7a3bd6c160c3eda73600590737c2082f9d772adefc5b32c784a337f4b49065"
+  "hash": "36241e9163a8c496f8e6a662bd50cdfe38a57757432de65d75bf6a10ea134530"
 }
diff --git a/backend/.sqlx/query-741d599c2c88d1bc11958f59be4fb53c0ec4006aac9a08c64a4008b249f642bb.json b/backend/.sqlx/query-3c39fa95b7cf269831467950e5f873f8e0b93bf512a226ccf4d22d2252d80f1b.json
similarity index 59%
rename from backend/.sqlx/query-741d599c2c88d1bc11958f59be4fb53c0ec4006aac9a08c64a4008b249f642bb.json
rename to backend/.sqlx/query-3c39fa95b7cf269831467950e5f873f8e0b93bf512a226ccf4d22d2252d80f1b.json
index 25c77edf..5f901a04 100644
--- a/backend/.sqlx/query-741d599c2c88d1bc11958f59be4fb53c0ec4006aac9a08c64a4008b249f642bb.json
+++ b/backend/.sqlx/query-3c39fa95b7cf269831467950e5f873f8e0b93bf512a226ccf4d22d2252d80f1b.json
@@ -1,17 +1,17 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT ta.id, ta.task_id, ta.worktree_path, ta.base_commit, ta.merge_commit, ta.executor, ta.stdout, ta.stderr, ta.created_at, ta.updated_at \n               FROM task_attempts ta \n               JOIN tasks t ON ta.task_id = t.id \n               WHERE ta.id = $1 AND t.id = $2 AND t.project_id = $3",
+  "query": "SELECT ta.id as \"id!: Uuid\", ta.task_id as \"task_id!: Uuid\", ta.worktree_path, ta.base_commit, ta.merge_commit, ta.executor, ta.stdout, ta.stderr, ta.created_at as \"created_at!: DateTime<Utc>\", ta.updated_at as \"updated_at!: DateTime<Utc>\"\n               FROM task_attempts ta \n               JOIN tasks t ON ta.task_id = t.id \n               WHERE ta.id = $1 AND t.id = $2 AND t.project_id = $3",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
-        "name": "task_id",
+        "name": "task_id!: Uuid",
         "ordinal": 1,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "worktree_path",
@@ -44,12 +44,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 8,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 9,
         "type_info": "Text"
       }
@@ -70,5 +70,5 @@
       false
     ]
   },
-  "hash": "741d599c2c88d1bc11958f59be4fb53c0ec4006aac9a08c64a4008b249f642bb"
+  "hash": "3c39fa95b7cf269831467950e5f873f8e0b93bf512a226ccf4d22d2252d80f1b"
 }
diff --git a/backend/.sqlx/query-d2574d14252ead485e5db4e0eb84afa2fa3e12422f4e6ef6d623b768316e5ef4.json b/backend/.sqlx/query-57c2623fb47580045d2d3e89133b4f67fef8100a177b80a99045900262b7fd86.json
similarity index 60%
rename from backend/.sqlx/query-d2574d14252ead485e5db4e0eb84afa2fa3e12422f4e6ef6d623b768316e5ef4.json
rename to backend/.sqlx/query-57c2623fb47580045d2d3e89133b4f67fef8100a177b80a99045900262b7fd86.json
index 09037d7a..7cde018e 100644
--- a/backend/.sqlx/query-d2574d14252ead485e5db4e0eb84afa2fa3e12422f4e6ef6d623b768316e5ef4.json
+++ b/backend/.sqlx/query-57c2623fb47580045d2d3e89133b4f67fef8100a177b80a99045900262b7fd86.json
@@ -1,17 +1,17 @@
 {
   "db_name": "SQLite",
-  "query": "INSERT INTO task_attempt_activities (id, task_attempt_id, status, note) \n               VALUES ($1, $2, $3, $4) \n               RETURNING id, task_attempt_id, status as \"status!: TaskAttemptStatus\", note, created_at",
+  "query": "INSERT INTO task_attempt_activities (id, task_attempt_id, status, note) \n               VALUES ($1, $2, $3, $4) \n               RETURNING id as \"id!: Uuid\", task_attempt_id as \"task_attempt_id!: Uuid\", status as \"status!: TaskAttemptStatus\", note, created_at as \"created_at!: DateTime<Utc>\"",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
-        "name": "task_attempt_id",
+        "name": "task_attempt_id!: Uuid",
         "ordinal": 1,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "status!: TaskAttemptStatus",
@@ -24,7 +24,7 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 4,
         "type_info": "Text"
       }
@@ -40,5 +40,5 @@
       false
     ]
   },
-  "hash": "d2574d14252ead485e5db4e0eb84afa2fa3e12422f4e6ef6d623b768316e5ef4"
+  "hash": "57c2623fb47580045d2d3e89133b4f67fef8100a177b80a99045900262b7fd86"
 }
diff --git a/backend/.sqlx/query-f4d24cec6142ffb70bf1008235921035d310c452da78128420c93707485c0d7f.json b/backend/.sqlx/query-73a58d62b2f18489ef5be9f4760f3bee51d6dedd550c3be9bf72e29b2203e63c.json
similarity index 55%
rename from backend/.sqlx/query-f4d24cec6142ffb70bf1008235921035d310c452da78128420c93707485c0d7f.json
rename to backend/.sqlx/query-73a58d62b2f18489ef5be9f4760f3bee51d6dedd550c3be9bf72e29b2203e63c.json
index 7158aab9..1247e1b0 100644
--- a/backend/.sqlx/query-f4d24cec6142ffb70bf1008235921035d310c452da78128420c93707485c0d7f.json
+++ b/backend/.sqlx/query-73a58d62b2f18489ef5be9f4760f3bee51d6dedd550c3be9bf72e29b2203e63c.json
@@ -1,17 +1,17 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT id, project_id, title, description, status as \"status!: TaskStatus\", created_at, updated_at \n               FROM tasks \n               WHERE id = $1 AND project_id = $2",
+  "query": "SELECT id as \"id!: Uuid\", project_id as \"project_id!: Uuid\", title, description, status as \"status!: TaskStatus\", created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\"\n               FROM tasks \n               WHERE id = $1 AND project_id = $2",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
-        "name": "project_id",
+        "name": "project_id!: Uuid",
         "ordinal": 1,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "title",
@@ -29,12 +29,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 5,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 6,
         "type_info": "Text"
       }
@@ -52,5 +52,5 @@
       false
     ]
   },
-  "hash": "f4d24cec6142ffb70bf1008235921035d310c452da78128420c93707485c0d7f"
+  "hash": "73a58d62b2f18489ef5be9f4760f3bee51d6dedd550c3be9bf72e29b2203e63c"
 }
diff --git a/backend/.sqlx/query-8449fdb087cce369ac3aaea98cfd676530014b848304d6dcfc705990c71178d5.json b/backend/.sqlx/query-8449fdb087cce369ac3aaea98cfd676530014b848304d6dcfc705990c71178d5.json
deleted file mode 100644
index 574efff0..00000000
--- a/backend/.sqlx/query-8449fdb087cce369ac3aaea98cfd676530014b848304d6dcfc705990c71178d5.json
+++ /dev/null
@@ -1,62 +0,0 @@
-{
-  "db_name": "SQLite",
-  "query": "SELECT \n                t.id, \n                t.project_id, \n                t.title, \n                t.description, \n                t.status as \"status!: TaskStatus\", \n                t.created_at, \n                t.updated_at,\n                CASE WHEN in_progress_attempts.task_id IS NOT NULL THEN true ELSE false END as \"has_in_progress_attempt!\"\n               FROM tasks t\n               LEFT JOIN (\n                   SELECT DISTINCT ta.task_id \n                   FROM task_attempts ta\n                   INNER JOIN (\n                       SELECT task_attempt_id, MAX(created_at) as latest_created_at\n                       FROM task_attempt_activities\n                       GROUP BY task_attempt_id\n                   ) latest_activity ON ta.id = latest_activity.task_attempt_id\n                   INNER JOIN task_attempt_activities taa ON ta.id = taa.task_attempt_id \n                       AND taa.created_at = latest_activity.latest_created_at\n                   WHERE taa.status = 'inprogress'\n               ) in_progress_attempts ON t.id = in_progress_attempts.task_id\n               WHERE t.project_id = $1 \n               ORDER BY t.created_at DESC",
-  "describe": {
-    "columns": [
-      {
-        "name": "id",
-        "ordinal": 0,
-        "type_info": "Text"
-      },
-      {
-        "name": "project_id",
-        "ordinal": 1,
-        "type_info": "Text"
-      },
-      {
-        "name": "title",
-        "ordinal": 2,
-        "type_info": "Text"
-      },
-      {
-        "name": "description",
-        "ordinal": 3,
-        "type_info": "Text"
-      },
-      {
-        "name": "status!: TaskStatus",
-        "ordinal": 4,
-        "type_info": "Text"
-      },
-      {
-        "name": "created_at",
-        "ordinal": 5,
-        "type_info": "Text"
-      },
-      {
-        "name": "updated_at",
-        "ordinal": 6,
-        "type_info": "Text"
-      },
-      {
-        "name": "has_in_progress_attempt!",
-        "ordinal": 7,
-        "type_info": "Int"
-      }
-    ],
-    "parameters": {
-      "Right": 1
-    },
-    "nullable": [
-      true,
-      false,
-      false,
-      true,
-      false,
-      false,
-      false,
-      false
-    ]
-  },
-  "hash": "8449fdb087cce369ac3aaea98cfd676530014b848304d6dcfc705990c71178d5"
-}
diff --git a/backend/.sqlx/query-84df316d94c83b9189ab76a41521bf6bc60ea6ae530f00cf544ac87c120f50c2.json b/backend/.sqlx/query-84df316d94c83b9189ab76a41521bf6bc60ea6ae530f00cf544ac87c120f50c2.json
index d6d91d71..5dcec487 100644
--- a/backend/.sqlx/query-84df316d94c83b9189ab76a41521bf6bc60ea6ae530f00cf544ac87c120f50c2.json
+++ b/backend/.sqlx/query-84df316d94c83b9189ab76a41521bf6bc60ea6ae530f00cf544ac87c120f50c2.json
@@ -6,7 +6,7 @@
       {
         "name": "id",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       }
     ],
     "parameters": {
diff --git a/backend/.sqlx/query-96957aa26773ee77bba123ebe27c675aa7698c235029ba09f2d503fea746baf6.json b/backend/.sqlx/query-96957aa26773ee77bba123ebe27c675aa7698c235029ba09f2d503fea746baf6.json
new file mode 100644
index 00000000..c2f10623
--- /dev/null
+++ b/backend/.sqlx/query-96957aa26773ee77bba123ebe27c675aa7698c235029ba09f2d503fea746baf6.json
@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "UPDATE task_attempts SET stderr = COALESCE(stderr, '') || $1, updated_at = datetime('now') WHERE id = $2",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 2
+    },
+    "nullable": []
+  },
+  "hash": "96957aa26773ee77bba123ebe27c675aa7698c235029ba09f2d503fea746baf6"
+}
diff --git a/backend/.sqlx/query-2658c9a9ac96f7364811d12854256068971bd33f12f8654445969f84a204a5fa.json b/backend/.sqlx/query-96aade8205a632c862e4dd11118b7b303cbe521c6a42f5a43eda3cf5f8e6ab2c.json
similarity index 57%
rename from backend/.sqlx/query-2658c9a9ac96f7364811d12854256068971bd33f12f8654445969f84a204a5fa.json
rename to backend/.sqlx/query-96aade8205a632c862e4dd11118b7b303cbe521c6a42f5a43eda3cf5f8e6ab2c.json
index 8e94fc1c..3a2567d1 100644
--- a/backend/.sqlx/query-2658c9a9ac96f7364811d12854256068971bd33f12f8654445969f84a204a5fa.json
+++ b/backend/.sqlx/query-96aade8205a632c862e4dd11118b7b303cbe521c6a42f5a43eda3cf5f8e6ab2c.json
@@ -1,12 +1,12 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT id, name, git_repo_path, created_at, updated_at FROM projects WHERE id = $1",
+  "query": "SELECT id as \"id!: Uuid\", name, git_repo_path, created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\" FROM projects WHERE git_repo_path = $1",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "name",
@@ -19,12 +19,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 3,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 4,
         "type_info": "Text"
       }
@@ -40,5 +40,5 @@
       false
     ]
   },
-  "hash": "2658c9a9ac96f7364811d12854256068971bd33f12f8654445969f84a204a5fa"
+  "hash": "96aade8205a632c862e4dd11118b7b303cbe521c6a42f5a43eda3cf5f8e6ab2c"
 }
diff --git a/backend/.sqlx/query-c395009379487778ea43d0bdef7bd9d28f4755bcefb775ca036523aa88a4a3d8.json b/backend/.sqlx/query-9a893c35e2d5fa480396d5f403c3e9263217904dc3dfe43beca9c9541c4be619.json
similarity index 62%
rename from backend/.sqlx/query-c395009379487778ea43d0bdef7bd9d28f4755bcefb775ca036523aa88a4a3d8.json
rename to backend/.sqlx/query-9a893c35e2d5fa480396d5f403c3e9263217904dc3dfe43beca9c9541c4be619.json
index 26dbba9b..40162a4e 100644
--- a/backend/.sqlx/query-c395009379487778ea43d0bdef7bd9d28f4755bcefb775ca036523aa88a4a3d8.json
+++ b/backend/.sqlx/query-9a893c35e2d5fa480396d5f403c3e9263217904dc3dfe43beca9c9541c4be619.json
@@ -1,17 +1,17 @@
 {
   "db_name": "SQLite",
-  "query": "INSERT INTO tasks (id, project_id, title, description, status) \n               VALUES ($1, $2, $3, $4, $5) \n               RETURNING id, project_id, title, description, status as \"status!: TaskStatus\", created_at, updated_at",
+  "query": "INSERT INTO tasks (id, project_id, title, description, status) \n               VALUES ($1, $2, $3, $4, $5) \n               RETURNING id as \"id!: Uuid\", project_id as \"project_id!: Uuid\", title, description, status as \"status!: TaskStatus\", created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\"",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
-        "name": "project_id",
+        "name": "project_id!: Uuid",
         "ordinal": 1,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "title",
@@ -29,12 +29,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 5,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 6,
         "type_info": "Text"
       }
@@ -52,5 +52,5 @@
       false
     ]
   },
-  "hash": "c395009379487778ea43d0bdef7bd9d28f4755bcefb775ca036523aa88a4a3d8"
+  "hash": "9a893c35e2d5fa480396d5f403c3e9263217904dc3dfe43beca9c9541c4be619"
 }
diff --git a/backend/.sqlx/query-9a9f29419f50995c3d1be237e0e42a04e1a3478aa6919f13882943eb9bc2cfa3.json b/backend/.sqlx/query-a58a2bdcf1545b9a854e799a2fbb0ddd843886ecbfb8ff15b82fb4bb6c382e4d.json
similarity index 64%
rename from backend/.sqlx/query-9a9f29419f50995c3d1be237e0e42a04e1a3478aa6919f13882943eb9bc2cfa3.json
rename to backend/.sqlx/query-a58a2bdcf1545b9a854e799a2fbb0ddd843886ecbfb8ff15b82fb4bb6c382e4d.json
index 79c692e0..28e95080 100644
--- a/backend/.sqlx/query-9a9f29419f50995c3d1be237e0e42a04e1a3478aa6919f13882943eb9bc2cfa3.json
+++ b/backend/.sqlx/query-a58a2bdcf1545b9a854e799a2fbb0ddd843886ecbfb8ff15b82fb4bb6c382e4d.json
@@ -1,17 +1,17 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT id, task_id, worktree_path, base_commit, merge_commit, executor, stdout, stderr, created_at, updated_at \n               FROM task_attempts \n               WHERE task_id = $1 \n               ORDER BY created_at DESC",
+  "query": "SELECT id as \"id!: Uuid\", task_id as \"task_id!: Uuid\", worktree_path, base_commit, merge_commit, executor, stdout, stderr, created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\"\n               FROM task_attempts \n               WHERE id = $1",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
-        "name": "task_id",
+        "name": "task_id!: Uuid",
         "ordinal": 1,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "worktree_path",
@@ -44,12 +44,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 8,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 9,
         "type_info": "Text"
       }
@@ -70,5 +70,5 @@
       false
     ]
   },
-  "hash": "9a9f29419f50995c3d1be237e0e42a04e1a3478aa6919f13882943eb9bc2cfa3"
+  "hash": "a58a2bdcf1545b9a854e799a2fbb0ddd843886ecbfb8ff15b82fb4bb6c382e4d"
 }
diff --git a/backend/.sqlx/query-aa7c3034f96c9b2dfd7c1121b9eb7749987b035d603480a8bf15f776d83a0363.json b/backend/.sqlx/query-aa7c3034f96c9b2dfd7c1121b9eb7749987b035d603480a8bf15f776d83a0363.json
new file mode 100644
index 00000000..2d23ee53
--- /dev/null
+++ b/backend/.sqlx/query-aa7c3034f96c9b2dfd7c1121b9eb7749987b035d603480a8bf15f776d83a0363.json
@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "UPDATE task_attempts SET stdout = $1, stderr = $2, updated_at = datetime('now') WHERE id = $3",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 3
+    },
+    "nullable": []
+  },
+  "hash": "aa7c3034f96c9b2dfd7c1121b9eb7749987b035d603480a8bf15f776d83a0363"
+}
diff --git a/backend/.sqlx/query-610b73abcc696879e1d402f8f94b23c3889eebd4fbeeacbc174bf43317ba83c7.json b/backend/.sqlx/query-ab7c095d6ccb8bb41d159aa7dd4f7feb97505e31427c124b4219a6903e971f5a.json
similarity index 62%
rename from backend/.sqlx/query-610b73abcc696879e1d402f8f94b23c3889eebd4fbeeacbc174bf43317ba83c7.json
rename to backend/.sqlx/query-ab7c095d6ccb8bb41d159aa7dd4f7feb97505e31427c124b4219a6903e971f5a.json
index 9e9198ca..fce9fcd7 100644
--- a/backend/.sqlx/query-610b73abcc696879e1d402f8f94b23c3889eebd4fbeeacbc174bf43317ba83c7.json
+++ b/backend/.sqlx/query-ab7c095d6ccb8bb41d159aa7dd4f7feb97505e31427c124b4219a6903e971f5a.json
@@ -1,12 +1,12 @@
 {
   "db_name": "SQLite",
-  "query": "INSERT INTO projects (id, name, git_repo_path) VALUES ($1, $2, $3) RETURNING id, name, git_repo_path, created_at, updated_at",
+  "query": "INSERT INTO projects (id, name, git_repo_path) VALUES ($1, $2, $3) RETURNING id as \"id!: Uuid\", name, git_repo_path, created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\"",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "name",
@@ -19,12 +19,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 3,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 4,
         "type_info": "Text"
       }
@@ -40,5 +40,5 @@
       false
     ]
   },
-  "hash": "610b73abcc696879e1d402f8f94b23c3889eebd4fbeeacbc174bf43317ba83c7"
+  "hash": "ab7c095d6ccb8bb41d159aa7dd4f7feb97505e31427c124b4219a6903e971f5a"
 }
diff --git a/backend/.sqlx/query-b4efb71365b75edd3dfc843f774f7cdb06dc756328ed5929d6b13ef3a956be0e.json b/backend/.sqlx/query-b4efb71365b75edd3dfc843f774f7cdb06dc756328ed5929d6b13ef3a956be0e.json
new file mode 100644
index 00000000..59b826b4
--- /dev/null
+++ b/backend/.sqlx/query-b4efb71365b75edd3dfc843f774f7cdb06dc756328ed5929d6b13ef3a956be0e.json
@@ -0,0 +1,20 @@
+{
+  "db_name": "SQLite",
+  "query": "SELECT COUNT(*) as count FROM projects WHERE id = $1",
+  "describe": {
+    "columns": [
+      {
+        "name": "count",
+        "ordinal": 0,
+        "type_info": "Int"
+      }
+    ],
+    "parameters": {
+      "Right": 1
+    },
+    "nullable": [
+      false
+    ]
+  },
+  "hash": "b4efb71365b75edd3dfc843f774f7cdb06dc756328ed5929d6b13ef3a956be0e"
+}
diff --git a/backend/.sqlx/query-0b55273631c697e19f622a14d9f7c81c7c669744f3c586397f8d08eb924cae73.json b/backend/.sqlx/query-bc2603a54513425d0ab6fab1f2f58845650e51b5270c60a428a85f9e219f0ede.json
similarity index 70%
rename from backend/.sqlx/query-0b55273631c697e19f622a14d9f7c81c7c669744f3c586397f8d08eb924cae73.json
rename to backend/.sqlx/query-bc2603a54513425d0ab6fab1f2f58845650e51b5270c60a428a85f9e219f0ede.json
index 31637b36..5beb2c2d 100644
--- a/backend/.sqlx/query-0b55273631c697e19f622a14d9f7c81c7c669744f3c586397f8d08eb924cae73.json
+++ b/backend/.sqlx/query-bc2603a54513425d0ab6fab1f2f58845650e51b5270c60a428a85f9e219f0ede.json
@@ -1,17 +1,17 @@
 {
   "db_name": "SQLite",
-  "query": "INSERT INTO task_attempts (id, task_id, worktree_path, base_commit, merge_commit, executor, stdout, stderr) \n               VALUES ($1, $2, $3, $4, $5, $6, $7, $8) \n               RETURNING id, task_id, worktree_path, base_commit, merge_commit, executor, stdout, stderr, created_at, updated_at",
+  "query": "INSERT INTO task_attempts (id, task_id, worktree_path, base_commit, merge_commit, executor, stdout, stderr) \n               VALUES ($1, $2, $3, $4, $5, $6, $7, $8) \n               RETURNING id as \"id!: Uuid\", task_id as \"task_id!: Uuid\", worktree_path, base_commit, merge_commit, executor, stdout, stderr, created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\"",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
-        "name": "task_id",
+        "name": "task_id!: Uuid",
         "ordinal": 1,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "worktree_path",
@@ -44,12 +44,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 8,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 9,
         "type_info": "Text"
       }
@@ -70,5 +70,5 @@
       false
     ]
   },
-  "hash": "0b55273631c697e19f622a14d9f7c81c7c669744f3c586397f8d08eb924cae73"
+  "hash": "bc2603a54513425d0ab6fab1f2f58845650e51b5270c60a428a85f9e219f0ede"
 }
diff --git a/backend/.sqlx/query-d42bfe41f064f0463e3d07bf4dd6a19438864ed6982649073618246e30efee2f.json b/backend/.sqlx/query-d42bfe41f064f0463e3d07bf4dd6a19438864ed6982649073618246e30efee2f.json
new file mode 100644
index 00000000..dc75d0de
--- /dev/null
+++ b/backend/.sqlx/query-d42bfe41f064f0463e3d07bf4dd6a19438864ed6982649073618246e30efee2f.json
@@ -0,0 +1,20 @@
+{
+  "db_name": "SQLite",
+  "query": "SELECT DISTINCT ta.id as \"id!: Uuid\"\n               FROM task_attempts ta\n               INNER JOIN (\n                   SELECT task_attempt_id, MAX(created_at) as latest_created_at\n                   FROM task_attempt_activities\n                   GROUP BY task_attempt_id\n               ) latest_activity ON ta.id = latest_activity.task_attempt_id\n               INNER JOIN task_attempt_activities taa ON ta.id = taa.task_attempt_id \n                   AND taa.created_at = latest_activity.latest_created_at\n               WHERE taa.status = $1",
+  "describe": {
+    "columns": [
+      {
+        "name": "id!: Uuid",
+        "ordinal": 0,
+        "type_info": "Blob"
+      }
+    ],
+    "parameters": {
+      "Right": 1
+    },
+    "nullable": [
+      true
+    ]
+  },
+  "hash": "d42bfe41f064f0463e3d07bf4dd6a19438864ed6982649073618246e30efee2f"
+}
diff --git a/backend/.sqlx/query-ff38912305d2082b153f12e0d59f0be12177a626b170b3ed3b41049b235cc57c.json b/backend/.sqlx/query-d7f5b59e70cc177ec547b5f2f185713f7a284b3dbc774f61d9d95dd830df34c0.json
similarity index 56%
rename from backend/.sqlx/query-ff38912305d2082b153f12e0d59f0be12177a626b170b3ed3b41049b235cc57c.json
rename to backend/.sqlx/query-d7f5b59e70cc177ec547b5f2f185713f7a284b3dbc774f61d9d95dd830df34c0.json
index 35e26ce5..b76cb6ed 100644
--- a/backend/.sqlx/query-ff38912305d2082b153f12e0d59f0be12177a626b170b3ed3b41049b235cc57c.json
+++ b/backend/.sqlx/query-d7f5b59e70cc177ec547b5f2f185713f7a284b3dbc774f61d9d95dd830df34c0.json
@@ -1,17 +1,17 @@
 {
   "db_name": "SQLite",
-  "query": "SELECT id, project_id, title, description, status as \"status!: TaskStatus\", created_at, updated_at \n               FROM tasks \n               WHERE id = $1",
+  "query": "SELECT id as \"id!: Uuid\", project_id as \"project_id!: Uuid\", title, description, status as \"status!: TaskStatus\", created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\"\n               FROM tasks \n               WHERE id = $1",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
-        "name": "project_id",
+        "name": "project_id!: Uuid",
         "ordinal": 1,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "title",
@@ -29,12 +29,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 5,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 6,
         "type_info": "Text"
       }
@@ -52,5 +52,5 @@
       false
     ]
   },
-  "hash": "ff38912305d2082b153f12e0d59f0be12177a626b170b3ed3b41049b235cc57c"
+  "hash": "d7f5b59e70cc177ec547b5f2f185713f7a284b3dbc774f61d9d95dd830df34c0"
 }
diff --git a/backend/.sqlx/query-db4598a1164ee77414e789445f5da2384153bbade8ae677f60ea52d62875d23c.json b/backend/.sqlx/query-db4598a1164ee77414e789445f5da2384153bbade8ae677f60ea52d62875d23c.json
deleted file mode 100644
index 84d6a522..00000000
--- a/backend/.sqlx/query-db4598a1164ee77414e789445f5da2384153bbade8ae677f60ea52d62875d23c.json
+++ /dev/null
@@ -1,44 +0,0 @@
-{
-  "db_name": "SQLite",
-  "query": "SELECT id, task_attempt_id, status as \"status!: TaskAttemptStatus\", note, created_at \n               FROM task_attempt_activities \n               WHERE task_attempt_id = $1 \n               ORDER BY created_at DESC",
-  "describe": {
-    "columns": [
-      {
-        "name": "id",
-        "ordinal": 0,
-        "type_info": "Text"
-      },
-      {
-        "name": "task_attempt_id",
-        "ordinal": 1,
-        "type_info": "Text"
-      },
-      {
-        "name": "status!: TaskAttemptStatus",
-        "ordinal": 2,
-        "type_info": "Text"
-      },
-      {
-        "name": "note",
-        "ordinal": 3,
-        "type_info": "Text"
-      },
-      {
-        "name": "created_at",
-        "ordinal": 4,
-        "type_info": "Text"
-      }
-    ],
-    "parameters": {
-      "Right": 1
-    },
-    "nullable": [
-      true,
-      false,
-      false,
-      true,
-      false
-    ]
-  },
-  "hash": "db4598a1164ee77414e789445f5da2384153bbade8ae677f60ea52d62875d23c"
-}
diff --git a/backend/.sqlx/query-219898a7ca7dcdeceb9f248d95f0e4afe8128df16f57c3b91334ac4ce80b6e5a.json b/backend/.sqlx/query-eeede8a732db5214bb9054d6c2b7655989102264949864e719610f12cbb4c0c0.json
similarity index 62%
rename from backend/.sqlx/query-219898a7ca7dcdeceb9f248d95f0e4afe8128df16f57c3b91334ac4ce80b6e5a.json
rename to backend/.sqlx/query-eeede8a732db5214bb9054d6c2b7655989102264949864e719610f12cbb4c0c0.json
index 16788b1d..27975d7a 100644
--- a/backend/.sqlx/query-219898a7ca7dcdeceb9f248d95f0e4afe8128df16f57c3b91334ac4ce80b6e5a.json
+++ b/backend/.sqlx/query-eeede8a732db5214bb9054d6c2b7655989102264949864e719610f12cbb4c0c0.json
@@ -1,12 +1,12 @@
 {
   "db_name": "SQLite",
-  "query": "UPDATE projects SET name = $2, git_repo_path = $3 WHERE id = $1 RETURNING id, name, git_repo_path, created_at, updated_at",
+  "query": "UPDATE projects SET name = $2, git_repo_path = $3 WHERE id = $1 RETURNING id as \"id!: Uuid\", name, git_repo_path, created_at as \"created_at!: DateTime<Utc>\", updated_at as \"updated_at!: DateTime<Utc>\"",
   "describe": {
     "columns": [
       {
-        "name": "id",
+        "name": "id!: Uuid",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       },
       {
         "name": "name",
@@ -19,12 +19,12 @@
         "type_info": "Text"
       },
       {
-        "name": "created_at",
+        "name": "created_at!: DateTime<Utc>",
         "ordinal": 3,
         "type_info": "Text"
       },
       {
-        "name": "updated_at",
+        "name": "updated_at!: DateTime<Utc>",
         "ordinal": 4,
         "type_info": "Text"
       }
@@ -40,5 +40,5 @@
       false
     ]
   },
-  "hash": "219898a7ca7dcdeceb9f248d95f0e4afe8128df16f57c3b91334ac4ce80b6e5a"
+  "hash": "eeede8a732db5214bb9054d6c2b7655989102264949864e719610f12cbb4c0c0"
 }
diff --git a/backend/.sqlx/query-f72efcb41e92e03b8f8b988017d3b1c509322dc560742e9ef77fb9532b748fce.json b/backend/.sqlx/query-f72efcb41e92e03b8f8b988017d3b1c509322dc560742e9ef77fb9532b748fce.json
deleted file mode 100644
index f1856208..00000000
--- a/backend/.sqlx/query-f72efcb41e92e03b8f8b988017d3b1c509322dc560742e9ef77fb9532b748fce.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "db_name": "SQLite",
-  "query": "SELECT DISTINCT ta.id \n               FROM task_attempts ta\n               INNER JOIN (\n                   SELECT task_attempt_id, MAX(created_at) as latest_created_at\n                   FROM task_attempt_activities\n                   GROUP BY task_attempt_id\n               ) latest_activity ON ta.id = latest_activity.task_attempt_id\n               INNER JOIN task_attempt_activities taa ON ta.id = taa.task_attempt_id \n                   AND taa.created_at = latest_activity.latest_created_at\n               WHERE taa.status = $1",
-  "describe": {
-    "columns": [
-      {
-        "name": "id",
-        "ordinal": 0,
-        "type_info": "Text"
-      }
-    ],
-    "parameters": {
-      "Right": 1
-    },
-    "nullable": [
-      true
-    ]
-  },
-  "hash": "f72efcb41e92e03b8f8b988017d3b1c509322dc560742e9ef77fb9532b748fce"
-}
diff --git a/backend/.sqlx/query-fe4ce947b9df88ed2bc30f2a202d34b65d6f85c997fcc94ad35270d7492ed3a4.json b/backend/.sqlx/query-fe4ce947b9df88ed2bc30f2a202d34b65d6f85c997fcc94ad35270d7492ed3a4.json
index 50312828..894ecf0f 100644
--- a/backend/.sqlx/query-fe4ce947b9df88ed2bc30f2a202d34b65d6f85c997fcc94ad35270d7492ed3a4.json
+++ b/backend/.sqlx/query-fe4ce947b9df88ed2bc30f2a202d34b65d6f85c997fcc94ad35270d7492ed3a4.json
@@ -6,7 +6,7 @@
       {
         "name": "id",
         "ordinal": 0,
-        "type_info": "Text"
+        "type_info": "Blob"
       }
     ],
     "parameters": {
diff --git a/backend/migrations/20250617183714_init.sql b/backend/migrations/20250617183714_init.sql
index d821a09b..18889c0a 100644
--- a/backend/migrations/20250617183714_init.sql
+++ b/backend/migrations/20250617183714_init.sql
@@ -1,20 +1,7 @@
--- Turn on FK support (important for SQLite)
 PRAGMA foreign_keys = ON;
 
--------------------------------------------------------------------------------
--- 1. Core lookup “enums” (via CHECK constraints)
--------------------------------------------------------------------------------
--- task_status values
--- ('todo','inprogress','done','cancelled','inreview')
-
--- task_attempt_status values
--- ('init','inprogress','paused')
-
--------------------------------------------------------------------------------
--- 2. Tables
--------------------------------------------------------------------------------
 CREATE TABLE projects (
-    id            TEXT PRIMARY KEY,                       -- UUID as string
+    id            BLOB PRIMARY KEY,
     name          TEXT NOT NULL,
     git_repo_path TEXT NOT NULL DEFAULT '' UNIQUE,
     created_at    TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
@@ -22,8 +9,8 @@ CREATE TABLE projects (
 );
 
 CREATE TABLE tasks (
-    id          TEXT PRIMARY KEY,
-    project_id  TEXT NOT NULL,
+    id          BLOB PRIMARY KEY,
+    project_id  BLOB NOT NULL,
     title       TEXT NOT NULL,
     description TEXT,
     status      TEXT NOT NULL DEFAULT 'todo'
@@ -34,12 +21,12 @@ CREATE TABLE tasks (
 );
 
 CREATE TABLE task_attempts (
-    id            TEXT PRIMARY KEY,
-    task_id       TEXT NOT NULL,
+    id            BLOB PRIMARY KEY,
+    task_id       BLOB NOT NULL,
     worktree_path TEXT NOT NULL,
     base_commit   TEXT,
     merge_commit  TEXT,
-    executor      TEXT,          -- final column name (no JSONB)
+    executor      TEXT,
     stdout        TEXT,
     stderr        TEXT,
     created_at    TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
@@ -48,52 +35,11 @@ CREATE TABLE task_attempts (
 );
 
 CREATE TABLE task_attempt_activities (
-    id              TEXT PRIMARY KEY,
-    task_attempt_id TEXT NOT NULL,
+    id              BLOB PRIMARY KEY,
+    task_attempt_id BLOB NOT NULL,
     status          TEXT NOT NULL DEFAULT 'init'
                        CHECK (status IN ('init','inprogress','paused')),
     note            TEXT,
     created_at      TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
     FOREIGN KEY (task_attempt_id) REFERENCES task_attempts(id) ON DELETE CASCADE
 );
-
--------------------------------------------------------------------------------
--- 3. Indexes
--------------------------------------------------------------------------------
-CREATE INDEX idx_tasks_project_id                        ON tasks(project_id);
-CREATE INDEX idx_tasks_status                            ON tasks(status);
-CREATE INDEX idx_task_attempts_task_id                   ON task_attempts(task_id);
-CREATE INDEX idx_task_attempt_activities_attempt_id      ON task_attempt_activities(task_attempt_id);
-CREATE INDEX idx_task_attempt_activities_status          ON task_attempt_activities(status);
-CREATE INDEX idx_task_attempt_activities_created_at      ON task_attempt_activities(created_at);
-
--------------------------------------------------------------------------------
--- 4. updated_at auto-maintenance triggers
---    (fires only when caller hasn’t manually changed updated_at)
--------------------------------------------------------------------------------
--- Projects
-CREATE TRIGGER trg_projects_updated_at
-AFTER UPDATE ON projects
-FOR EACH ROW
-WHEN NEW.updated_at = OLD.updated_at
-BEGIN
-    UPDATE projects SET updated_at = CURRENT_TIMESTAMP WHERE id = OLD.id;
-END;
-
--- Tasks
-CREATE TRIGGER trg_tasks_updated_at
-AFTER UPDATE ON tasks
-FOR EACH ROW
-WHEN NEW.updated_at = OLD.updated_at
-BEGIN
-    UPDATE tasks SET updated_at = CURRENT_TIMESTAMP WHERE id = OLD.id;
-END;
-
--- Task attempts
-CREATE TRIGGER trg_task_attempts_updated_at
-AFTER UPDATE ON task_attempts
-FOR EACH ROW
-WHEN NEW.updated_at = OLD.updated_at
-BEGIN
-    UPDATE task_attempts SET updated_at = CURRENT_TIMESTAMP WHERE id = OLD.id;
-END;
diff --git a/backend/src/models/project.rs b/backend/src/models/project.rs
index b51a0c91..e24b3310 100644
--- a/backend/src/models/project.rs
+++ b/backend/src/models/project.rs
@@ -121,9 +121,9 @@ impl Project {
     }
 
     pub async fn exists(pool: &SqlitePool, id: Uuid) -> Result<bool, sqlx::Error> {
-        let result = sqlx::query!("SELECT id FROM projects WHERE id = $1", id)
-            .fetch_optional(pool)
+        let result = sqlx::query!("SELECT COUNT(*) as count FROM projects WHERE id = $1", id)
+            .fetch_one(pool)
             .await?;
-        Ok(result.is_some())
+        Ok(result.count > 0)
     }
 }
diff --git a/backend/src/models/task.rs b/backend/src/models/task.rs
index 36c61d99..47176054 100644
--- a/backend/src/models/task.rs
+++ b/backend/src/models/task.rs
@@ -200,10 +200,11 @@ impl Task {
     }
 
     pub async fn delete(pool: &SqlitePool, id: Uuid, project_id: Uuid) -> Result<u64, sqlx::Error> {
+        let project_id_str = project_id.to_string();
         let result = sqlx::query!(
             "DELETE FROM tasks WHERE id = $1 AND project_id = $2",
             id,
-            project_id
+            project_id_str
         )
         .execute(pool)
         .await?;
@@ -215,10 +216,12 @@ impl Task {
         id: Uuid,
         project_id: Uuid,
     ) -> Result<bool, sqlx::Error> {
+        let id_str = id.to_string();
+        let project_id_str = project_id.to_string();
         let result = sqlx::query!(
             "SELECT id FROM tasks WHERE id = $1 AND project_id = $2",
-            id,
-            project_id
+            id_str,
+            project_id_str
         )
         .fetch_optional(pool)
         .await?;