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refactor(auto_model_pin): simplify thread-level pinning by removing unused fields and indexes

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This commit is contained in:
Anish Sarkar 2026-05-01 19:32:42 +05:30
parent 1863f2832b
commit 421a4d7d08
5 changed files with 37 additions and 78 deletions
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13
surfsense_backend/app/db.py
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@ -638,13 +638,12 @@ class NewChatThread(BaseModel, TimestampMixin):
default=False,
server_default="false",
)
# Auto model pinning metadata:
# - pinned_llm_config_id stores the concrete resolved model config id.
# - pinned_auto_mode indicates which auto policy produced the pin.
# This allows Auto (Fastest) to resolve once per thread and stay stable.
pinned_llm_config_id = Column(Integer, nullable=True, index=True)
pinned_auto_mode = Column(String(32), nullable=True, index=True)
pinned_at = Column(TIMESTAMP(timezone=True), nullable=True)
# Auto (Fastest) model pin for this thread: concrete resolved global LLM
# config id. NULL means no pin; Auto will resolve on the next turn.
# Single-writer invariant: only app.services.auto_model_pin_service sets
# or clears this column (plus bulk clears when a search space's
# agent_llm_id changes). Unindexed: all reads are by primary key.
pinned_llm_config_id = Column(Integer, nullable=True)
# Relationships
search_space = relationship("SearchSpace", back_populates="new_chat_threads")