Flow canvas · Tuckflow

tuckflow Draft · v14

MO AC You

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Author Reviewer Viewer

Deterministic Constrained Agent Delegate Skill

Latency overlay Policy locks

Start

DET
Recording disclosure
Compliance-owned

DET
Verify candidate
API · candidate-svc

CONSTRAINED
Select problem
classify → L5 | L6 | L7

AGENT interview_loop.agent
Interviewer agent
45 min · 4 exits · 2 skills
1 exit not wired: candidate_quit

skill · hint-ladder

flow · time-check

SKILL
Score with rubric
rubric-scorer v3.2

CONSTRAINED
Feedback report
schema: report.v2

DELEGATE
Hand to human
A2A · human queue

End

AGENT REGION
interview_loop

completed · time_up

policy_violation

~180 ms

P95 1.1 s

AGENTinterview_loop.agent

Interviewer agent

Runs the core interview and owns the turn until it returns one of its typed exits.

IMPLEMENTATION

Switching keeps the contract. Exits and state access are re-checked.

CONTRACT · EXITS

completed→ Score with rubric

time_up→ Score with rubric

candidate_quitNot wired

policy_violation→ Hand to human

STATE ACCESS

Readsproblem_id · candidate.level · clock Writesinterview.notes · hints_used Deniedcandidate.email · candidate.phone (PII)

Values this agent writes are marked unverified until a deterministic step validates them.

BUDGET

Max duration Max turns Turn latency P95 Tool calls / turn

Workspace ceiling: 60 min. Raising it needs AI Platform Admin.

MODEL · INSTRUCTIONS

[Org-approved model] · pinned by admin

Instructions v7 · edited by M. Okafor

Who can change this node Edit contract and instructions: Flow Authors in Interview Practice Model and budget ceilings: AI Platform Admins Ship to production: Flow Reviewer + Compliance Approver Manage roles