From 0a77215facff2c78b627f1450abf3e71d6d45d91 Mon Sep 17 00:00:00 2001
From: chihlasm <michael@resolutionflow.com>
Date: Sat, 21 Mar 2026 01:23:33 +0000
Subject: [PATCH] fix(db): widen ai_sessions.status column from varchar(20) to
 varchar(30)

'requesting_escalation' is 23 characters, exceeding the varchar(20)
limit. This caused a StringDataRightTruncationError 500 on escalate.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 ..._widen_ai_sessions_status_to_varchar_30.py | 36 +++++++++++++++++++
 backend/app/models/ai_session.py              |  2 +-
 2 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 backend/alembic/versions/f0aad74ea51b_widen_ai_sessions_status_to_varchar_30.py

diff --git a/backend/alembic/versions/f0aad74ea51b_widen_ai_sessions_status_to_varchar_30.py b/backend/alembic/versions/f0aad74ea51b_widen_ai_sessions_status_to_varchar_30.py
new file mode 100644
index 00000000..364c1893
--- /dev/null
+++ b/backend/alembic/versions/f0aad74ea51b_widen_ai_sessions_status_to_varchar_30.py
@@ -0,0 +1,36 @@
+"""widen ai_sessions status to varchar 30
+
+Revision ID: f0aad74ea51b
+Revises: b8d2f4a6c091
+Create Date: 2026-03-21 01:21:03.742028
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'f0aad74ea51b'
+down_revision: Union[str, None] = 'b8d2f4a6c091'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.alter_column(
+        "ai_sessions", "status",
+        type_=sa.String(30),
+        existing_type=sa.String(20),
+        existing_nullable=False,
+    )
+
+
+def downgrade() -> None:
+    op.alter_column(
+        "ai_sessions", "status",
+        type_=sa.String(20),
+        existing_type=sa.String(30),
+        existing_nullable=False,
+    )
diff --git a/backend/app/models/ai_session.py b/backend/app/models/ai_session.py
index bc023278..c2722df0 100644
--- a/backend/app/models/ai_session.py
+++ b/backend/app/models/ai_session.py
@@ -85,7 +85,7 @@ class AISession(Base):
 
     # ── Session state ──
     status: Mapped[str] = mapped_column(
-        String(20), nullable=False, default="active", index=True,
+        String(30), nullable=False, default="active", index=True,
     )
     confidence_tier: Mapped[str] = mapped_column(
         String(20), nullable=False, default="discovery",