steve
e856dacc12
Plugs into run.Ports.Checkpointer (the executor's call site is a P2 follow-up;
this provides the seam + impls ahead of it):
- checkpoint.go: CheckpointStore seam + RunCheckpoint{Meta, Messages, Iteration,
ActivePhase} + RunCheckpointMeta (mirrors mort's agentexec types).
- handle.go: New(store, meta, throttle, now) -> run.Checkpointer. Save writes a
throttled snapshot; Complete/Fail delete it (a cleanly finished or terminally
failed run is NOT a recovery candidate; a shutdown-interrupted run never calls
them, so its checkpoint survives ListInterrupted at boot). nil store -> no-op.
- memory.go: NewMemory() default (with the honest caveat that in-memory does
not survive the restart it exists to recover from — a durable store is mort's).
Tests: save+complete clears the recovery candidate; throttle skips in-window
saves; nil-store is a clean no-op. Core imports ZERO from checkpoint.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
123 lines
6.1 KiB
Markdown
123 lines
6.1 KiB
Markdown
# executus — developer & agent guide
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> ⚠️ **This project is vibe-coded** (AI-authored, human-steered). See `README.md`.
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executus is a **batteries-included base for LLM agent harnesses**, layered
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strictly above [majordomo]. majordomo is the lean substrate (agent loop, `llm`
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types, providers, media, parse/failover/tiering). executus is the opinionated
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layer majordomo deliberately omits. **executus requires no majordomo changes** —
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it decorates `llm.Model` and wraps `majordomo/agent.Agent`.
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[majordomo]: https://gitea.stevedudenhoeffer.com/steve/majordomo
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## North star
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A brand-new project imports executus, does a little setup, and is most of the way
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to agentic capabilities. The mechanism is **one shipped default per seam**:
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`executus.New()` (once the runtime lands) is agentic with zero host wiring; the
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same builder lets a serious host swap each default for its own implementation and
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register its own tools.
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Two consumers define the envelope:
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- **mort** (heavy) — Discord, mortbux, media, MySQL/GORM, DB-backed convar config,
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saved skills, audit, scheduling, run-critic.
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- **gadfly** (light) — a CI PR-reviewer Docker image, env-var configured, running
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an N-models × M-lenses structured-output swarm. Needs model fleet, lanes,
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bounded runs, structured output, fan-out, a few read tools — and **none** of the
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batteries.
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That spread is why executus is **tiered**: a light host imports core only; a heavy
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host opts into batteries.
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## Module & layering
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One module `gitea.stevedudenhoeffer.com/steve/executus`, `go.mod` = **majordomo +
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stdlib only** (no gorm/redis/discordgo/cgo). A second nested module
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`contrib/store` carries the SQLite dependency so the core never inherits it.
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```
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CORE (majordomo + stdlib):
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config/ ConfigSource seam (+ env default) [P0 ✓]
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lane/ bounded fair-share worker pool [P0 ✓]
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fanout/ programmatic N×M swarm [P0 ✓]
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deliver/ output egress seam (+ Discard/Stdout) [P0 ✓]
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identity/ caller identity seams [P0 ✓]
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run/ run.Executor is RUNNABLE: model-resolve + [P2 core ✓]
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toolbox + majordomo loop + compaction +
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run-bounding (V10 detached timeout) + step/
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audit observers + Budget gate; RunnableAgent
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DTO + nil-safe run.Ports. Follow-ups: wire
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Critic/Checkpointer/PaletteSource/Delivery,
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Phases, and the no-tools direct path [P2]
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dispatchguard/ loop/depth/fan-out caps [P0 ✓]
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pendingattach/ attachment dedupe [P0 ✓]
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tool/ registry + 3-stage permissions + ssrf [P1 ✓]
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model/ config-driven tier resolution over majordomo [P1 ✓]
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(convar->config.Source; UsageSink/TraceSink seams; GenerateWith[T]
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structured output — no separate structured/ pkg)
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llmmeta/ shared meta-LLM helper over model/ [P1 ✓]
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compact/ context compactor (WithCompactor hook) [P2 ✓]
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tools/{web,net,store,compose,meta,comms} generic tools [P3]
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BATTERIES (opt-in siblings, each nil-safe + a default):
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persona/ Agent noun + Storage seam + builtin loader [P4 ~]
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+ ToRunnable() bridge to run.RunnableAgent +
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Memory default (host: chatbot/commands/personalization)
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skill/ Skill noun + LEAN SkillStore (lifecycle/ [P4 ~]
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versions/schedule — NOT mort's 60-method
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monster) + ToRunnable + Memory default
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audit/ run.Audit Sink + Writer + queryable Memory [P4 ✓]
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default (skillaudit Storage iface; GORM stays in mort)
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critic/ two-tier timeout state machine + Escalator [P4]
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schedule/ cron runner cores [P4]
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checkpoint/ CheckpointStore + run.Checkpointer handle [P4 ✓]
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(throttled Save/Complete/Fail) + Memory (exec wiring=P2 follow-up)
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budget/ DBBudget rolling-7d + NoOp (run.Budget); [P4 ✓]
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BudgetStorage iface + Memory default
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contrib/store/ SECOND module (+ modernc.org/sqlite): [P4 ✓]
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pure-Go SQLite impls of ALL store seams: budget +
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persona + skill + audit ✓ (JSON-blob+indexed cols,
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round-trip tested). CI proves the driver lands HERE,
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not in the core go.sum.
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CI proves the driver lands HERE, not in the core go.sum.
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```
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### The one architectural move
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The kernel must import **no battery**. In mort today, `agentexec` imports
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`agents`, `agentcritic`, and `skillaudit` directly — those three up-pointing edges
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get inverted into nil-safe `run.Ports` interfaces (`PaletteSource`, `Critic`,
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`Audit`) plus a `RunnableAgent` DTO. Everything else is wide-but-shallow
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repackaging.
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## Invariants (enforced in CI)
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- The core module builds with **majordomo + stdlib only**. `go.sum` must not
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contain gorm/redis/discordgo/sqlite/gin.
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- No `core/*` package imports a `battery/*` package.
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- Standard Go gates: `go build`, `go vet`, `go test -race`, `go mod tidy` clean.
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## Extraction roadmap
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P0 module + zero-coupling moves + core seams (this) → P1 tool registry + model →
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P2 run kernel + Ports inversion → P3 generic tools + defaults → P4 persona/skill
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redesign + batteries + SQLite store → P5 gadfly on core (light-tier canary) → P6
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rewire mort + tag v0.1.0. The mort-side rewrite reuses mort's existing
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`mort_*_adapters.go` wall as the host adapter layer.
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## Conventions
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- **Keep `README.md`, this `CLAUDE.md`, and `examples/` in sync with every change,
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in the SAME commit.** No aspirational docs: when you add/rename a package, change
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a seam or a default, or alter the public API, update the docs and the relevant
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example so they always reflect reality (mirrors majordomo's house rule). The
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status markers in the tier map above must track what's actually landed.
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- Mirror majordomo's house style: gofmt; check errors immediately and wrap with
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`fmt.Errorf("...: %w", err)`; `// Why:` comments where rationale isn't obvious;
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hermetic tests (majordomo's fake provider; no network in the default suite).
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- Every seam is an interface with a nil-safe accessor and a shipped default.
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- Keep the core seam surface small and stable — push churn into tools and host
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adapters, not core interfaces.
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