Revert "Perfect! All tasks have been completed successfully. Here's a summary…" (#1010)

This reverts commit 76b0142085.

crates/db/.sqlx/query-01a0f9724e5fce7d3312a742e72cded85605ee540150972e2a8364919f56d5c0.json

@@ -46,12 +46,12 @@
       {
         "name": "has_in_progress_attempt!: i64",
         "ordinal": 8,
-        "type_info": "Integer"
+        "type_info": "Null"
       },
       {
         "name": "last_attempt_failed!: i64",
         "ordinal": 9,
-        "type_info": "Integer"
+        "type_info": "Null"
       },
       {
         "name": "executor!: String",
@@ -71,8 +71,8 @@
       true,
       false,
       false,
-      false,
-      false,
+      null,
+      null,
       true
     ]
   },

crates/db/migrations/20251007000000_set_null_parent_task_attempt_on_delete.sql

@@ -1,32 +0,0 @@
-PRAGMA foreign_keys = OFF;
-
--- Create new tasks table with updated foreign key constraint
-CREATE TABLE tasks_new (
-    id          BLOB PRIMARY KEY,
-    project_id  BLOB NOT NULL,
-    title       TEXT NOT NULL,
-    description TEXT,
-    status      TEXT NOT NULL DEFAULT 'todo'
-                   CHECK (status IN ('todo','inprogress','done','cancelled','inreview')),
-    parent_task_attempt BLOB,
-    created_at  TEXT NOT NULL DEFAULT (datetime('now', 'subsec')),
-    updated_at  TEXT NOT NULL DEFAULT (datetime('now', 'subsec')),
-    FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
-    FOREIGN KEY (parent_task_attempt) REFERENCES task_attempts(id) ON DELETE SET NULL
-);
-
--- Copy data from old table to new table
-INSERT INTO tasks_new (id, project_id, title, description, status, parent_task_attempt, created_at, updated_at)
-SELECT id, project_id, title, description, status, parent_task_attempt, created_at, updated_at
-FROM tasks;
-
--- Drop old table
-DROP TABLE tasks;
-
--- Rename new table to original name
-ALTER TABLE tasks_new RENAME TO tasks;
-
--- Recreate index for parent_task_attempt lookups
-CREATE INDEX idx_tasks_parent_task_attempt ON tasks(parent_task_attempt);
-
-PRAGMA foreign_keys = ON;