# Field notes from real builds. Each post is the write-up behind a public repo — verified against a live lab, not inferred from docs.

• 2026-08-10
  heddle: your agent knows more than it is telling you

  Coding agents flatten their tool calls to a single string on the way into Matrix, and every chat client is capped at what survives. A terminal client that treats a room as an agent session instead — tiled panes, tool cards, inline diffs, keypress approvals. Two weekends in Rust.

  Rust Matrix TUI AI Agents ratatui
• 2026-07-28
  Private Kafka to Microsoft Fabric: what VNet injection actually costs you

  A reference lab connecting Fabric Real-Time Intelligence to a private Kafka broker with no public endpoint anywhere in the path — and the fifteen verified findings about Eventstream VNet injection that the docs won’t tell you.

  Microsoft Fabric Eventstream Private Networking Kafka Bicep

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