fix(desktop): revert migration 11 to simple ADD COLUMN

[saddlepaddle]

Problem

The previous fix (#822) used DROP COLUMN which fails if the column doesn't exist (SQLite doesn't support DROP COLUMN IF EXISTS).

Solution

Revert to simple ALTER TABLE settings ADD terminal_persistence integer;

The existing error handler in apps/desktop/src/main/lib/local-db/index.ts:98-107 already catches "duplicate column name" errors and treats them as idempotent, so this handles both:

• Fresh installs (column doesn't exist) ✅
• Partial migrations (column already exists from failed migration) ✅

Migration Change

-- Before (fails if column doesn't exist):
ALTER TABLE \`settings\` DROP COLUMN \`terminal_persistence\`;
ALTER TABLE \`settings\` ADD \`terminal_persistence\` integer;

-- After (idempotent via error handling):
ALTER TABLE \`settings\` ADD \`terminal_persistence\` integer;

Summary by CodeRabbit

• Chores
  • Version bump and internal database metadata maintenance updates.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

[coderabbitai]

📝 Walkthrough

Walkthrough

This PR applies routine maintenance updates: a version increment for the desktop application package, and metadata adjustments to database migration snapshots and journal timestamps. No functional logic or control flow is modified.

Changes

Cohort / File(s)	Summary
Desktop Version Bump apps/desktop/package.json	Version incremented from 0.0.56 to 0.0.57
Database Migration Metadata packages/local-db/drizzle/meta/0011_snapshot.json, packages/local-db/drizzle/meta/_journal.json	Snapshot UUID references rotated (id and prevId updated); journal entry timestamp updated from 1768100000000 to 1768790828810

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• superset-sh/superset#750: Sequential desktop app version bumps (0.0.55→0.0.56 and 0.0.56→0.0.57)
• superset-sh/superset#458: Modifies the same apps/desktop/package.json version field
• superset-sh/superset#451: Identical version bump pattern for desktop package

Poem

🐰 A tiny hop, a version bump,
Snapshots shuffle, time moves on,
Database journals tick their song,
0.0.57 hops along! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: reverting migration 11 to a simple ADD COLUMN statement, which is the core objective of the pull request.
Description check	✅ Passed	The description provides clear problem/solution structure, explains the migration change with before/after SQL, and references the error handler. However, it does not follow the template structure with sections like Type of Change, Testing, and Related Issues.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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