# `timeline_milestones`

**Module:** Timeline

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## Purpose

Standalone date-based milestones outside the phase/task hierarchy. Represents key dates like venue booking confirmation.

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## Columns (Summary)

| Column | Notes |
|--------|-------|
| `id BIGINT UNSIGNED AUTO_INCREMENT PK` | — |
| `workspace_id BIGINT UNSIGNED NOT NULL FK→workspaces` | — |
| `title VARCHAR(255) NOT NULL` | — |
| `target_date DATE NULL` | — |
| `is_completed TINYINT(1) DEFAULT 0` | — |
| `completed_at DATETIME NULL` | — |
| `notes TEXT NULL` | — |
| `is_deleted TINYINT(1) DEFAULT 0` | — |
| `created_at DATETIME DEFAULT CURRENT_TIMESTAMP` | — |
| `updated_at DATETIME NULL` | — |

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## Referenced By

None

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## Notes

See `docs/database/RELATIONSHIP.md` for full entity relationships and `database/schema.sql` for authoritative DDL.