[utkarsh5026]

Added

• Agent: AgentView(toolkits=["lambda", "s3", "bedrock_kb"]) lets the agent answer questions about your Bedrock knowledge bases: "is support-docs up to date?", "why didn't last night's sync index the new PDFs?", "why doesn't it answer the refund question?". Six new read-only tools: find_knowledge_bases, kb_health (status, data sources, last syncs, documents by status, idle cost and findings), kb_syncs (why syncs failed), kb_files (each file next to Bedrock's record: failed, changed since the last sync, never synced, skipped, deleted), search_kb (the passages a question finds, as an answer would) and file_chunks (how a file was chunked, and with question= where it ranks against the whole knowledge base). Nothing syncs: the findings give the start-ingestion-job command to run. The read-only guard now lets Bedrock's Retrieve through by name, since it only searches, and a new budget limit, kb_searches (10), caps search_kb and file_chunks per question. The passages they return go to the model's provider, with anything that looks like a secret hidden. kb_core= passes your own BedrockKBAnalyzer. (#144)
• Agent: with a Python sandbox (AgentView(python="local")), the agent answers with charts. Ask "Chart the orders in s3://acme-raw/sales/ by month" and it reads the files it saved with pandas, makes the chart with Altair and puts it under the answer with the new show_chart tool, in the report, the chat window and transcript(). The sandbox draws it as a crisp SVG with Vega-Lite, with no network; every chart gets the same look (quiet axes, colours that stay apart for colour-blind readers), and the agent is told how to make one read. save_charts() writes an answer's charts to SVG files in agent-charts/ with their Vega-Lite specs beside them (never replacing a file), answer.charts holds them as data, and a new budget limit, charts (8), caps them. The local sandbox now offers Altair by default (its first download grows from about 21 MB to 24 MB), and LocalSandbox(vega_url=) points at a mirror of Vega's files. LocalSandbox(packages=["pandas", "matplotlib"]) draws with matplotlib instead. (#140)

Fixed

• Agent: LocalSandbox(packages=[...]) now offers packages whose dependencies Pyodide names with an underscore or a dot (Altair's jsonschema_specifications), which it used to refuse as unknown. (#140)

Full diff: v0.31.0...v0.32.0

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