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| # Work Summary - 15 March 2026 | |
| ## Project: Adaptive Study Agent | |
| ## What was done | |
| Built the entire project from scratch in a single session. All source files are written and dependencies are installed. | |
| ### Files created | |
| - `pyproject.toml` -- project config with all dependencies (LangGraph, langchain-anthropic, langchain-openai, langchain-chroma, chromadb, pymupdf, python-dotenv) | |
| - `.env` -- placeholder for API keys (ANTHROPIC_API_KEY, OPENAI_API_KEY) | |
| - `src/graph/state.py` -- StudyState TypedDict | |
| - `src/graph/nodes.py` -- all 6 node functions (ingest, generate_question, answer, evaluate, reread, summarize) | |
| - `src/graph/edges.py` -- conditional edge logic (after_evaluate routing) | |
| - `src/graph/build_graph.py` -- LangGraph StateGraph assembly with entry point, normal edges, and conditional edges | |
| - `src/tools/ingest.py` -- PDF/text extraction, chunking, ChromaDB ingestion | |
| - `src/tools/retriever.py` -- ChromaDB similarity search wrapper | |
| - `src/prompts/question_prompt.py` -- question generation prompt | |
| - `src/prompts/answer_prompt.py` -- answer prompt with chunk citation | |
| - `src/prompts/evaluate_prompt.py` -- strict self-grading prompt (Score + Reasoning format) | |
| - `src/main.py` -- CLI entry point with argparse, session report writer | |
| - `tests/test_edges.py` -- 5 tests for conditional edge logic | |
| - `tests/test_ingest.py` -- 3 tests for text chunking | |
| ### Dependencies | |
| All 102 packages installed successfully via `uv sync`. | |
| ## What remains | |
| - Run tests (`uv run pytest tests/ -v`) to verify everything passes | |
| - Add API keys to `.env` | |
| - Test end-to-end with an actual PDF document | |
| - Write README.md (portfolio framing as described in CLAUDE.md) | |
| ## Notes | |
| - Session started late evening, ended ~11:20 PM | |
| - All code follows the architecture and rules defined in `project_3_adaptive_study_agent_CLAUDE.md` | |