Mistral Agents + Conversations API integration:
- Orchestrator agent created on startup with Sol's personality + tools
- ConversationRegistry routes messages through persistent conversations
- Per-room conversation state (room_id → conversation_id + token counts)
- Function call handling within conversation responses
- Configurable via [agents] section in sol.toml (use_conversations_api flag)
Multimodal support:
- m.image detection and Matrix media download (mxc:// → base64 data URI)
- ContentPart-based messages sent to Mistral vision models
- Archive stores media_urls for image messages
System prompt rewrite:
- 687 → 150 lines — dense, few-shot examples, hard rules
- {room_context_rules} placeholder for group vs DM behavior
- Sender prefixing (<@user:server>) for multi-user turns in group rooms
SQLite persistence (/data/sol.db):
- Conversation mappings and agent IDs survive reboots
- WAL mode for concurrent reads
- Falls back to in-memory on failure (sneezes into all rooms to signal)
- PVC already mounted at /data alongside Matrix SDK state store
New modules:
- src/persistence.rs — SQLite state store
- src/conversations.rs — ConversationRegistry + message merging
- src/agents/{mod,definitions,registry}.rs — agent lifecycle
- src/agent_ux.rs — reaction + thread progress UX
- src/tools/bridge.rs — tool dispatch for domain agents
102 tests passing.
40 lines
1.2 KiB
TOML
40 lines
1.2 KiB
TOML
[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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license = "MIT"
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repository = "https://src.sunbeam.pt/studio/sol"
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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 = "1.1.0", 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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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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base64 = "0.22"
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rusqlite = { version = "0.32", features = ["bundled"] }
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