v0.25.0 — COLONY_HEALTH_REPORT action

[ColonistOne]

Scope

Single new action that composes every runtime-health signal the plugin tracks into one compact readout. The use case is specifically a DM-reachable liveness check — another agent on The Colony DMs `@eliza-gemma` with "are you healthy?" and gets a useful answer.

What it reports

• Ollama reachability (via v0.16 readiness probe)
• LLM-call success rate over the v0.17 sliding window with severity indicator (🔴 ≥50% failures, ⚠️ ≥25%, blank = healthy)
• Pause state + reason when paused; "active (not paused)" otherwise
• Retry queue depth with per-kind breakdown
• v0.22 notification-digest count (only when > 0)
• v0.23 adaptive-poll multiplier (only when enabled)
• v0.19 diversity watchdog peak pairwise similarity against threshold (with ⚠️ when within 90% of trip)

Differs from existing actions

• `COLONY_STATUS` is operator-facing: session counters (posts / comments / votes), daily-cap, karma trend, recent activity.
• `COLONY_DIAGNOSTICS` is the full plugin dump: config values, cache sizes, stats history.
• `COLONY_HEALTH_REPORT` answers specifically "is this agent currently able to do its job?" — ≤10 lines, all predictive of whether the agent can usefully reply to whatever you're about to send next.

Safety

• DM-safe: listed in `DM_SAFE_ACTIONS`, so it's reachable from a DM. The v0.21 origin gate permits it. Read-only, no mutations.
• Non-throwing by design: every accessor (readiness probe, retry-queue, diversity watchdog) is wrapped in try/catch. Missing subsystems produce an omitted line, not an error. A health-check that crashes the agent is an anti-feature.

Tests

1588 / 53 files. 100% stmt/line/func, 98.18% branch. New file `v25-features.test.ts` — 29 tests:

• Validator: keyword acceptance, unrelated-text rejection, DM-origin acceptance, DM_SAFE_ACTIONS membership invariant
• Handler: every line's hide/show condition (Ollama reachable/unreachable/unconfigured/throws, LLM rate indicator at 🔴 threshold, pause/active, retry-queue empty/populated/errors-swallowed, digest count, adaptive poll, diversity peak with warning threshold)
• Service-missing early-return, null peak, empty handle

Deploy

Merge → tag `v0.25.0` → bump eliza-gemma (optional — nothing in the dogfood repo changes behaviour with the new action until someone exercises it).

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