feat: initial Sol virtual librarian implementation
Matrix bot with E2EE (matrix-sdk 0.9) that passively archives all
messages to OpenSearch and responds to queries via Mistral AI with
function calling tools.
Core systems:
- Archive: bulk OpenSearch indexer with batch/flush, edit/redaction
handling, embedding pipeline passthrough
- Brain: rule-based engagement evaluator (mentions, DMs, name
invocations), LLM-powered spontaneous engagement, per-room
conversation context windows, response delay simulation
- Tools: search_archive, get_room_context, list_rooms, get_room_members
registered as Mistral function calling tools with iterative tool loop
- Personality: templated system prompt with Sol's librarian persona
47 unit tests covering config, evaluator, conversation windowing,
personality templates, schema serialization, and search query building.
2026-03-20 21:40:13 +00:00
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[package]
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name = "sol"
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version = "0.1.0"
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edition = "2021"
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rust-version = "1.76.0"
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authors = ["Sunbeam Studios <hello@sunbeam.pt>"]
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description = "Sol — virtual librarian Matrix bot with E2EE, OpenSearch archive, and Mistral AI"
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[[bin]]
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name = "sol"
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path = "src/main.rs"
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[dependencies]
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mistralai-client = { version = "1.0.0", registry = "sunbeam" }
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matrix-sdk = { version = "0.9", features = ["e2e-encryption", "sqlite"] }
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opensearch = "2"
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tokio = { version = "1", features = ["full"] }
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serde = { version = "1", features = ["derive"] }
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serde_json = "1"
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toml = "0.8"
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tracing = "0.1"
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tracing-subscriber = { version = "0.3", features = ["env-filter"] }
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rand = "0.8"
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regex = "1"
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anyhow = "1"
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chrono = { version = "0.4", features = ["serde"] }
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url = "2"
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2026-03-21 15:51:31 +00:00
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ruma = { version = "0.12", features = ["events", "client", "markdown"] }
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libsqlite3-sys = { version = "0.30", features = ["bundled"] }
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deno_core = "0.393"
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deno_ast = { version = "0.53", features = ["transpiling"] }
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deno_error = "0.7"
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tempfile = "3"
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reqwest = { version = "0.12", default-features = false, features = ["rustls-tls"] }
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uuid = { version = "1", features = ["v4"] }
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