Move response API to Celery-backed job processing

.env.example

@@ -73,3 +73,8 @@ CELERY_WORKER_PREFETCH_MULTIPLIER=1
 CELERY_ENABLE_UTC=true
 # India Standard Time (UTC+05:30)
 CELERY_TIMEZONE=Asia/Kolkata
+
+
+# Callback Timeouts (in seconds)
+CALLBACK_CONNECT_TIMEOUT = 3
+CALLBACK_READ_TIMEOUT = 10

.env.test.example

@@ -28,3 +28,7 @@ AWS_ACCESS_KEY_ID=this_is_a_test_key
 AWS_SECRET_ACCESS_KEY=this_is_a_test_key
 AWS_DEFAULT_REGION=ap-south-1
 AWS_S3_BUCKET_PREFIX="bucket-prefix-name"
+
+# Callback Timeouts (in seconds)
+CALLBACK_CONNECT_TIMEOUT = 3
+CALLBACK_READ_TIMEOUT = 10

backend/app/alembic/versions/c6fb6d0b5897_create_job_table.py

@@ -0,0 +1,44 @@
+"""create job table
+
+Revision ID: c6fb6d0b5897
+Revises: 6ed6ed401847
+Create Date: 2025-09-22 17:55:57.558157
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel.sql.sqltypes
+
+
+# revision identifiers, used by Alembic.
+revision = "c6fb6d0b5897"
+down_revision = "6ed6ed401847"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "job",
+        sa.Column("id", sa.Uuid(), nullable=False),
+        sa.Column("task_id", sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+        sa.Column("trace_id", sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+        sa.Column("error_message", sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+        sa.Column(
+            "status",
+            sa.Enum("PENDING", "PROCESSING", "SUCCESS", "FAILED", name="jobstatus"),
+            nullable=False,
+        ),
+        sa.Column("job_type", sa.Enum("RESPONSE", name="jobtype"), nullable=False),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+        sa.Column("updated_at", sa.DateTime(), nullable=False),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("job")
+    # ### end Alembic commands ###