fix: database migration

crates/bds-core/migrations/V2__fix_defaults_and_collation.sql

@@ -0,0 +1,58 @@
+-- Fix script and template default status from 'published' to 'draft'
+-- and make tag name uniqueness case-insensitive.
+--
+-- SQLite cannot ALTER COLUMN defaults, so we recreate the affected tables.
+
+-- ── Scripts: default status 'published' → 'draft' ──
+
+CREATE TABLE scripts_new (
+    id TEXT PRIMARY KEY,
+    project_id TEXT NOT NULL REFERENCES projects(id),
+    slug TEXT NOT NULL,
+    title TEXT NOT NULL,
+    kind TEXT NOT NULL DEFAULT 'utility',
+    entrypoint TEXT NOT NULL DEFAULT 'render',
+    enabled INTEGER NOT NULL DEFAULT 1,
+    version INTEGER NOT NULL DEFAULT 1,
+    file_path TEXT NOT NULL,
+    status TEXT NOT NULL DEFAULT 'draft',
+    content TEXT,
+    created_at INTEGER NOT NULL,
+    updated_at INTEGER NOT NULL
+);
+
+INSERT INTO scripts_new SELECT * FROM scripts;
+DROP TABLE scripts;
+ALTER TABLE scripts_new RENAME TO scripts;
+
+CREATE UNIQUE INDEX IF NOT EXISTS scripts_project_slug_idx
+    ON scripts(project_id, slug);
+
+-- ── Templates: default status 'published' → 'draft' ──
+
+CREATE TABLE templates_new (
+    id TEXT PRIMARY KEY,
+    project_id TEXT NOT NULL REFERENCES projects(id),
+    slug TEXT NOT NULL,
+    title TEXT NOT NULL,
+    kind TEXT NOT NULL DEFAULT 'post',
+    enabled INTEGER NOT NULL DEFAULT 1,
+    version INTEGER NOT NULL DEFAULT 1,
+    file_path TEXT NOT NULL,
+    status TEXT NOT NULL DEFAULT 'draft',
+    content TEXT,
+    created_at INTEGER NOT NULL,
+    updated_at INTEGER NOT NULL
+);
+
+INSERT INTO templates_new SELECT * FROM templates;
+DROP TABLE templates;
+ALTER TABLE templates_new RENAME TO templates;
+
+CREATE UNIQUE INDEX IF NOT EXISTS templates_project_slug_idx
+    ON templates(project_id, slug);
+
+-- ── Tags: case-insensitive unique index ──
+
+DROP INDEX IF EXISTS tags_project_name_idx;
+CREATE UNIQUE INDEX tags_project_name_idx ON tags(project_id, name COLLATE NOCASE);