 Eric Wang
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6d0a2169c8
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refactor(agent): inject deps via context_schema, LLM-driven photo/confirm nodes
- graph.py: LangGraph-native DI - StateGraph(context_schema=GraphDeps),
nodes take (state, runtime: Runtime[GraphDeps]); build_graph() decoupled
from LLM; deleted scaffold _event_reply/_fake_llm_propose/stub nodes
- photo.py: model proposes stage+body via per-mode prompts (direct/addon);
validator enforces clientMode exits; deterministic event forcing removed
- confirm.py: single runtime for single/dual confirm, extraction call
isolated per person_index
- llm.py: workflow_fake_llm() (offline workflow-faithful responder,
history-aware) for smoke/tests
- backend: LangGraphBackend(graph, llm) passes context per call
- tests: invoke helpers inject GraphDeps; illegal-proposal test asserts
error + state untouched via second well-behaved fake
Verified: 143 passed; smoke turns 1/2/1 with original welcome text
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2026-10-21 15:11:16 +08:00 |
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Eric Wang
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5020903791
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feat(agent): add LangGraph scaffold for assignment 1
- src/agent/state.py: minimal five-field AgentState
- src/agent/graph.py: START -> normalize_input -> reply -> END,
compiled with InMemorySaver; reply emits <state>1002</state> prefix
- examples/langgraph_smoke.py: offline smoke, turns 1/2/1 verified
- test/agent/test_scaffold.py: turn accumulation, thread isolation,
fixed-template assertions (3 passed)
- requirements.txt: pin langgraph==1.2.9
Known limit: InMemorySaver state disappears on process exit.
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2026-10-19 13:32:43 +08:00 |
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