feat(ui): add maintenance page for task management

* Implement maintenance page with task and log display
* Add backfill and metadata retry functionality
* Integrate grid component for project display in thoughts page
* Update types for maintenance tasks and logs
* Enhance sidebar and shell for new maintenance navigation

migrations/_old/014_meal_planning.sql

@@ -0,0 +1,54 @@
+-- Extension 4: Meal Planning
+-- Recipes, weekly meal plans, and shopping lists (single-user, no RLS)
+
+CREATE TABLE IF NOT EXISTS recipes (
+    id               UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    name             TEXT NOT NULL,
+    cuisine          TEXT,
+    prep_time_minutes INTEGER,
+    cook_time_minutes INTEGER,
+    servings         INTEGER,
+    ingredients      JSONB NOT NULL DEFAULT '[]',
+    instructions     JSONB NOT NULL DEFAULT '[]',
+    tags             TEXT[] NOT NULL DEFAULT '{}',
+    rating           INTEGER CHECK (rating >= 1 AND rating <= 5),
+    notes            TEXT,
+    created_at       TIMESTAMPTZ NOT NULL DEFAULT now(),
+    updated_at       TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+CREATE TABLE IF NOT EXISTS meal_plans (
+    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    week_start DATE NOT NULL,
+    day_of_week TEXT NOT NULL,
+    meal_type  TEXT NOT NULL CHECK (meal_type IN ('breakfast', 'lunch', 'dinner', 'snack')),
+    recipe_id  UUID REFERENCES recipes(id) ON DELETE SET NULL,
+    custom_meal TEXT,
+    servings   INTEGER,
+    notes      TEXT,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+CREATE TABLE IF NOT EXISTS shopping_lists (
+    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    week_start DATE NOT NULL UNIQUE,
+    items      JSONB NOT NULL DEFAULT '[]',
+    notes      TEXT,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+CREATE INDEX IF NOT EXISTS idx_recipes_cuisine    ON recipes(cuisine);
+CREATE INDEX IF NOT EXISTS idx_recipes_tags       ON recipes USING GIN (tags);
+CREATE INDEX IF NOT EXISTS idx_meal_plans_week    ON meal_plans(week_start);
+CREATE INDEX IF NOT EXISTS idx_shopping_lists_week ON shopping_lists(week_start);
+
+DROP TRIGGER IF EXISTS update_recipes_updated_at ON recipes;
+CREATE TRIGGER update_recipes_updated_at
+    BEFORE UPDATE ON recipes
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+DROP TRIGGER IF EXISTS update_shopping_lists_updated_at ON shopping_lists;
+CREATE TRIGGER update_shopping_lists_updated_at
+    BEFORE UPDATE ON shopping_lists
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();