dsh-hypatia

Building a project over several weeks in DeepSeek Harness, the most draining part is rarely the code itself. It is re-explaining project conventions, architecture decisions, and hard-won lessons every single turn. The old TRIGGER mode injected protocol text into the durable transcript and asked the model to shell out via Bash to drive hypatia, which polluted the log, left writes unverified, could lose the final assistant reply, and repurposed danger-full-access as memory consent. dsh-hypatia moves the entire pipeline into host code: the model only proposes what is worth remembering, while logging, database orchestration, permissions, retries, and deletion are all handled by the plugin control plane. Bash is no longer required.

Three promises anchor the day-to-day experience. First, same-request recall pulls relevant project memories into the turn that needs them within a fixed time and size budget, failing open on deadline rather than blocking the conversation. Second, verified writes: every record is read back and compared before it counts as stored, so saved means saved. Third, two-stage forget: you see the exact entries slated for deletion before anything is removed, and cleanup status is reported honestly instead of optimistically. Project scope is derived from the canonical workspace path and enforced by a host-side ledger, not by hoping content tags happen to align. Six memory_* tools cover remember, search, forget preview and confirm, status, and reconciliation of unverified items, so the routine flow requires zero manual CLI calls.

The plugin is equally honest about its boundaries: it serializes every hypatia invocation to avoid DuckDB exclusive-lock conflicts, dead-letters a write after three exponential-backoff retries and surfaces it in memory_status, and leaves vector recall off by default pending benchmarking. These trade-offs make dsh-hypatia a strong fit for developers and small teams running medium- to long-term projects in DeepSeek Harness who want reliable project memory without standing up extra infrastructure. Put hypatia on your PATH, restart once, and your project starts remembering quietly in the background.