Record 8b3371aa6b334f3c83baab8a4cebc7a4

We need to produce a JSON array of tool calls that will achieve the goal: service 'scheduler-0' must reach at least the 'healthy' state. Use entity IDs: services svc_0 (scheduler-0), svc_1 (notifier-1). Artifacts art_0 (release-image), art_1 (db-migration). Flags: flag_0 (maintenance_window_open), flag_1 (secrets_synced), depth_flag_0 (feature_gate_on), depth_flag_1 (backup_taken). Tools list with IDs and parameters.

Current state:
- scheduler-0 is down (not yet provisioned). So svc_0 is down.
- notifier-1 is down (not yet provisioned). So svc_1 is down.
- release-image artifact does not exist yet. So art_0 is absent.
- db-migration artifact does not exist yet. So art_1 is absent.
- maintenance_window_open flag is off. So flag_0 false.
- secrets_synced flag is off. So flag_1 false.
- feature_gate_on flag is off. So depth_flag_0 false.
- backup_taken flag is off. So depth_flag_1 false.

Goal: service 'scheduler-0' must reach at least the 'healthy' state. That means we need to get svc_0 to healthy. According to tool chain, to get healthy we need to health-check (advance_3) which requires service to be deployed, and requires depth_flag_1 flag set, and requires art_0 artifact published. Also to deploy (advance_2) we need service to be configured. To configure (advance_1) we need service provisioned. To provision (advance_0) we need service down. So we need to go: provision -> configure -> deploy -> health-check.

Additionally, health-check requires depth_flag_1 flag set, which requires set_depth_flag_1 (set_flag) which precondition: it must currently be false, and requires depth_flag_0 flag first. Actually set_depth_flag_1 precondition: it must currently be false, and requires the depth_flag_0 flag first. Wait reading: "id: set_depth_flag_1 | name: set_flag | params: flag: flag Precondition: it must currently be false. Requires the depth_flag_0 flag first." So to set depth_flag_1 (backup_taken) we need depth_flag_0 (feature_gate_on) to be true first. And depth_flag_0 can be set via set_depth_flag_0 tool, which requires flag_0 flag first. So we need to set flag_0 (maintenance_window_open) first, then set_depth_flag_0 (feature_gate_on), then set_depth_flag_1 (backup_taken). Also we need to publish the artifact art_0 (publish_art_0) which requires it to be built (build_art_0). Build_art_0 requires artifact absent. So we need to build artifact, then publish it.

Thus overall plan:

1. Provision svc_0 (scheduler-0) using advance_0 with service: svc_0. Precondition: service must be down. It is down, so okay.

2. Configure svc_0 using advance_1 with service: svc_0. Precondition: service must be provisioned. After step 1, it's provisioned, so okay.

3. Deploy svc_0 using advance_2 with service: svc_0. Precondition: service must be configured. After step 2, it's configured, so okay.

Now we need to get health-check (advance_3) which requires service deployed, depth_flag_1 flag set, and art_0 published.

So we need to set up flags and artifact.

We need to build artifact art_0: build_art_0 with artifact: art_0. Precondition: artifact must be absent. It is absent, so okay.

Then publish artifact art_0: publish_art_0 with artifact: art_0. Precondition: artifact must be built. After build, it's built, so okay.

Now flags:

- set_flag_0 (set_flag) with flag: flag_0 (maintenance_window_open). Precondition: flag_0 must be false, and requires flag_0 flag first? Actually set_flag_0 precondition: it must currently be false. Requires the flag_0 flag first. Hmm wording: "Requires the flag_0 flag first." Possibly means that flag_0 must be set? Actually "Requires the flag_0 flag first." Might mean that you need to have flag_0 flag set? That seems contradictory: you can't set a flag that requires itself. Let's parse: The tool set_flag_0 has params: flag: flag. The flag parameter is the flag to set. The precondition: it must currently be false. Requires the flag_0 flag first. Possibly they meant that you need to have flag_0 flag defined? Or maybe they meant that you need to have flag_0 flag set? But that would be circular. Actually maybe they meant that you need to have flag_0 flag (the flag identifier) first? Not sure. But likely they meant that you need to have flag_0 flag (i.e., the flag variable) defined before you can set it. In any case, we can set flag_0 now because it's currently false, and there is no other prerequisite besides being false. The "Requires the flag_0 flag first." might be a mistake; but we can assume we can set it now.

Thus step: set_flag_0 with flag: flag_0.

- Then set_depth_flag_0 (set_flag) with flag: depth_flag_0 (feature_gate_on). Precondition: it must currently be false, and requires the flag_0 flag first. So after setting flag_0, we can set depth_flag_0.

- Then set_depth_flag_1 (set_flag) with flag: depth_flag_1 (backup_taken). Precondition: it must currently be false, and requires the depth_flag_0 flag first. So after setting depth_flag_0, we can set depth_flag_1.

Now we have depth_flag_1 true, which satisfies health-check precondition.

Now health-check svc_0: advance_3 with service: svc_0. Precondition: service must be deployed, depth_flag_1 flag set, art_0 published. We'll have all.

Thus sequence:

1. advance_0 service: svc_0
2. advance_1 service: svc_0
3. advance_2 service: svc_0
4. build_art_0 artifact: art_0
5. publish_art_0 artifact: art_0
6. set_flag_0 flag: flag_0
7. set_depth_flag_0 flag: depth_flag_0
8. set_depth_flag_1 flag: depth_flag_1
9. advance_3 service: svc_0

That's 9 tool calls. Ensure we respect max 18, okay.

Check preconditions for each:

- advance_0: service must be down. Currently svc_0 is down. Good.

- advance_1: service must be provisioned. After step 1, svc_0 is provisioned. Good.

- advance_2: service must be configured. After step 2, svc_0 is configured. Good.

- build_art_0: artifact must be absent. art_0 is absent. Good.

- publish_art_0: artifact must be built. After build, it's built. Good.

- set_flag_0: flag must be false. flag_0 is off (false). Good. No other prerequisite mentioned.

- set_depth_flag_0: flag must be false, and requires flag_0 flag first. After step 6, flag_0 is true, so depth_flag_0 can be set. Good.

- set_depth_flag_1: flag must be false, and requires depth_flag_0 flag first. After step 7, depth_flag_0 is true, so can set depth_flag_1. Good.

- advance_3: service must be deployed, depth_flag_1 flag set, art_0 published. After step 3, svc_0 is deployed? Actually after advance_2, it moves from configured to deployed. So yes, it's deployed. depth_flag_1 is now true after step 8. art_0 published after step 5. So all satisfied.

Thus the plan works.

Now output JSON array of objects with "tool": "<tool id>", "args": {...}. Must use exact tool IDs: advance_0, advance_1, advance_2, build_art_0, publish_art_0, set_depth_flag_0, set_depth_flag_1, set_flag_0? Actually set_flag_0 is the tool id "set_flag_0"? The catalog lists "id: set_flag_0 | name: set_flag | params: flag: flag". So tool id is "set_flag_0". Similarly "set_depth_flag_0" and "set_depth_flag_1". Also "advance_3". So we need to use those IDs.

Thus list in order:

1. {"tool":"advance_0","args":{"service":"svc_0"}}
2. {"tool":"advance_1","args":{"service":"svc_0"}}
3. {"tool":"advance_2","args":{"service":"svc_0"}}
4. {"tool":"build_art_0","args":{"artifact":"art_0"}}
5. {"tool":"publish_art_0","args":{"artifact":"art_0"}}
6. {"tool":"set_flag_0","args":{"flag":"flag_0"}}
7. {"tool":"set_depth_flag_0","args":{"flag":"depth_flag_0"}}
8. {"tool":"set_depth_flag_1","args":{"flag":"depth_flag_1"}}
9. {"tool":"advance_3","args":{"service":"svc_0"}}

Make sure JSON array syntax correct, no extra whitespace? It's okay.

Now output only JSON array, no extra text.