PLAN 4.3 lets a field of the wrong type fall back to its default alone.
Newtonsoft converted such values implicitly, so "delete-card": 0 became
false and "custom-pixels": "500" became 500. Booleans, integers and
strings are now read only from tokens of exactly that type.
PLAN 4.3 writes app.json when the session modified a setting. The store
compared the live configuration with the loaded one instead, so a setting
changed and changed back was never written. Each section now records a
dirty flag in its setters; assigning the current value is not a change and
the load-time field fallbacks are cleared after reading.
An app.json that exists but cannot be read, or a .bak that cannot be written,
now yields defaults instead of an unhandled exception before the main window
exists. A failed write at exit is logged and ignored, and the session is
disposed in a finally block, so the lock and connection are always released.
With .ykanban present but ykanban.db gone, opening used to create an empty
database and show an empty board without any hint. It now throws
WorkspaceDatabaseMissingException and shows the open-failed page, telling the
user to restore a backup or delete .ykanban and initialize again.
Follows PLAN 4.2: create .ykanban, take the lock, then build the database.
SqliteDatabase.Create writes every migration and the preset columns in a
single transaction and deletes the file again on failure, so no empty
version-0 database is left behind. WorkspaceSession.Initialize keeps the lock
into the session instead of releasing and re-acquiring it.
A lock conflict while initializing shows the lock-conflict page.
- board: columns in id order, per-column sort via config, column width presets (240/320/480) and custom 160-720
- column header new-card and edit/delete menu; card menu delete and move-to-column
- card editor as one unit of work with dirty check and discard confirmation; nested tag picker writes new tags immediately
- schema constraint violations mapped to typed exceptions and shown inside the modal
- dialog service with owner stack so nested modals center on their parent and get FlowDirection
- repository: filtered GetCards, CountCards; view-model tests
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