fix(db): add missing is_paused column to session_plans

The is_paused column was missing from migration 0043, causing a production
error: "SqliteError: no such column 'is_paused'"

The other pause columns (paused_at, paused_by, paused_reason) were added
manually during development but is_paused was overlooked.

This commit:
- Reverts 0043 to a no-op (those columns already exist)
- Adds 0044 to add only the missing is_paused column

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/web/drizzle/0043_add_session_pause_columns.sql

@@ -1,11 +1,6 @@
 -- Custom SQL migration file, put your code below! --
-
--- Note: These columns were manually added during development.
--- Migration kept for consistency but columns already exist.
--- Columns added to session_plans:
---   is_paused integer DEFAULT 0 NOT NULL
---   paused_at integer
---   paused_by text
---   paused_reason text
+-- The columns paused_at, paused_by, paused_reason were added manually during development.
+-- This migration was kept for consistency but those columns already exist.
+-- Note: is_paused was missing and is added in migration 0044.
 
 SELECT 1;

apps/web/drizzle/0044_add_is_paused_column.sql

@@ -0,0 +1,4 @@
+-- Custom SQL migration file, put your code below! --
+-- Add is_paused column that was missing from migration 0043
+
+ALTER TABLE `session_plans` ADD `is_paused` integer DEFAULT 0 NOT NULL;

apps/web/drizzle/meta/_journal.json

@@ -309,6 +309,13 @@
       "when": 1766706763639,
       "tag": "0043_add_session_pause_columns",
       "breakpoints": true
+    },
+    {
+      "idx": 44,
+      "version": "6",
+      "when": 1766773151809,
+      "tag": "0044_add_is_paused_column",
+      "breakpoints": true
     }
   ]
-}
+}