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42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
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"""Add tasks.constraints — move the conventions dump out of description.
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The 2026-07-07 task-quality defect: ``TaskService._attach_baseline_constraints``
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appended a ``## Constraints`` block to ``tasks.description``, so descriptions
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ran 3000-4250 chars dominated by an auto-attached conventions dump. The
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conventions already reach the agent independently at spawn via
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``ConventionsService.render_ambient_block`` -> ``compose_prompt(ambient=...)``,
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so the stored block is redundant bloat. Move it to a dedicated nullable
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``constraints`` Text column so ``description`` is the human-authored
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instruction only and the panel can render the constraints as a read-only card.
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Additive: nullable column, default NULL. Existing rows keep their bloated
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descriptions (a backfill that regex-strips markdown from a Text column is
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riskier than the win — new tasks get clean descriptions from B2); no data
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change in the migration.
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Revision ID: 068_tasks_constraints_column
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Revises: 067_respawn_revisit_resets
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Create Date: 2026-07-07
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"""
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from __future__ import annotations
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import sqlalchemy as sa
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from alembic import op
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revision = "068_tasks_constraints_column"
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down_revision = "067_respawn_revisit_resets"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.add_column(
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"tasks",
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sa.Column("constraints", sa.Text(), nullable=True),
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)
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def downgrade() -> None:
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op.drop_column("tasks", "constraints")
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