Subagents and dynamic workflows extension for panto https://code.tjp.lol/panto-subagents.git/atom?h=v0.1.0 2026-08-20T19:39:46Z 2026-08-20T19:39:46Z t t@tjp.lol 2026-08-20T18:49:36Z urn:sha1:a08d854d52cf5492a7763bccc1ce475dcc057cba lyaml binds the system libyaml, which luarocks does not vendor, so installing the rock failed wherever that library was absent, taking the whole extension down on a stock macOS machine. api7-lua-tinyyaml is pure Lua and matches lyaml on every quoting, escaping and block-scalar form profiles use. What the subset costs: anchors and aliases are not resolved, and plain multi-line scalars raise. The raise surfaces through the existing parse warning, but an unresolved alias came back as the literal "*alias" string and would have become a profile name, so frontmatter.parse now detects those keys, drops them, and warns. Point source.url at code.tjp.lol with a v0.1.0 tag, replacing a GitHub URL that never existed. Add a LICENSE file and mise release tasks, and fix the README dependency-install command, which called a luarocks.cmd function that does not exist. 2026-08-20T01:03:52Z t t@tjp.lol 2026-08-20T01:02:30Z urn:sha1:d1306506aa7f504b0e91c9c6ed7314afbf99978e subagents.lua now starts a workflow on its own coroutine and returns a session-scoped id immediately, so fan-out continues while the primary keeps working; completion wakes the primary, and later calls read immutable records from subagents.workflows. Every ctx:agent takes a workflow-unique name so those records are addressable. A session_start guidance message tells the primary when to reach for run vs lua. Children no longer inherit the primary's system context: a child starts from the fixed child-role instruction plus its profile, and subagents.run/ctx:agent accept an inline system_prompt instead of a profile. The now-redundant `agent` form of subagents.models is gone. Concurrency defaults to five and is configurable through [subagents] max_concurrent in any layered config.toml; turn boundaries reap only settled jobs so background workflows survive, while interrupt and session end cancel. Config roots come from panto.ext.dirs.layers rather than a hand-rolled XDG lookup, which picks up the base and git-ignored local layers for both agents/ and workflows/. TOML workflows tighten up: the subagents.workflow tool takes a discovered name only (inline `steps` duplicated subagents.lua at less power), an optional top-level `output` array chooses the reported steps and their order instead of the terminal set, a step with no workflow input gets no empty input heading, and a workflow naming an undiscovered agent is rejected at discovery rather than part-way through a run. 2026-08-18T06:40:46Z t t@tjp.lol 2026-08-18T05:35:36Z urn:sha1:372ef8ff40991644ec2654c61328f31779f4ad21 jobs: a child whose wake pipe cannot be armed is refused up front instead of started into a state nothing can wake (the luv-less drain loop survives only for hosts without a loop); a closing child keeps its concurrency slot and its id's exclusivity until the pump actually exits, so teardown can no longer over-admit new children or let two turns share one session file. Resume-metadata reads honor the plain-error contract on a malformed store. workflow: the built-in schema subset validator is the only validator — the jsonschema probe made behavior depend on an undeclared rock (see rockspec: that dependency is deliberately rejected); dead exports and the unreachable half of the structured-output guard are gone, keeping the empty-arguments provider case. DESIGN.md's seam sections now describe the shipped division: binding-level async jobs and tool control, host-level resolve_model/ExtHost/turn events/ component handles, rock-level policy; protocol bodies run to completion on the loop thread and cannot yield, cancellation is scoped to the stream that opened it, and a child's compaction leaves protocol sessions alone. 2026-08-18T02:31:29Z t t@tjp.lol 2026-08-17T02:42:43Z urn:sha1:4f0a91ef55fe96835172bdad34feec1e2a0a0977 The rock now owns all subagent policy on top of libpanto-lua's generic APIs: children are ordinary panto.agent instances over rock-constructed stores, started with agent:run_async and awaited by arming uv.new_poll on each job's wake_fd from the tool handler's coroutine. subagents/jobs.lua carries the session policy the host used to own: the concurrency gate (4 running, FIFO queue, cancel-while-queued never starts), the await contract (results in input order; "first" returns settled plus remaining by identity), and settle-time shaping. subagents/spawn.lua seeds new children (primary system context, child role, profile body with manifest metadata), resolves model/reasoning through panto.ext.resolve_model, filters subagents.* out of the inherited tool set via agent:set_tools, and reads resume defaults back from stored message metadata. One-shot structured workers are a null_store agent with a declaration-only output tool, tool_choice forced, dispatch_tools=false. subagents/progress.lua renders per-tool-entry cards through the component handle's invalidate seam; turn_interrupt cancels live children, turn_end closes them. Spec suite rewritten against fakes of the new surfaces (98 cases), including gate/queue/cancel bounds, resume-default extraction, one-shot capture via unresolved tool calls, tool filtering, and manifest seeding.