Architecture · Secure paved road
Checked work reaches Main through one guarded path
Pi Orchestrator checked execution architecture
Architecture diagram showing Pi Main resolving each task-selected Role just in time, returning bounded text to durable state, and automatically advancing exact ready changesets through isolated Herdr work, direct checks, optional judgment, and guarded Main integration.
MAIN CONTROL PLANE
TASK EXECUTION CHANNELS
PROTECTED MAIN REPOSITORY
EXECUTE
LAUNCH
CHECKPOINT
DISPATCH
CHANGESET
TEXT RESULT
VERIFY
NO CONTROL API
NO BYPASS
AUDIT RESULT
INPUT
Checked request
TASK DAG · CHECKS · BUDGET
MAIN
Pi Orchestrator
PREFLIGHTS ROLE + MODEL PAIRS
RESOLVES AGAIN AT LAUNCH
AUDIT
Durable request state
CONFIG/PI-ORCHESTRATOR/STATE
STRICT SCHEMA · RECOVERY EVIDENCE
ROLE
Current configured Role
TASK-SELECTED · RESOLVED JIT
TOOLS · SKILLS · MCP POLICY
CHANNEL
Text or changeset execution
BOUNDED TEXT · ISOLATED HERDR
MAIN DRIFT FAILS CLOSED
CHECK
Automatic checked progression
READINESS · REBASE · CHECK · JUDGMENT
GATE
Guarded Main integration
IDENTITY FENCE · DECLARED ORDER
LEGEND
approved checked path
durable audit record
blocked before boundary
trust boundary