Record c86a0daebc584142ba09d1cdd2a89613

We need to produce a JSON array of tool calls that will achieve the goal: ledger-0 must reach at least 'deployed' state, notifier-1 must reach at least 'configured' state. Starting state: all services down, no artifacts, flags off.

We have tools with preconditions. Let's list them with preconditions:

- dec-oy_1: refresh_deploy_context | params: service: service
   Probably requires service to be provisioned? Not sure. It says "Refreshes ledger-0's deploy context ahead of the goal check." Might need service to be provisioned? Not given. Probably can be called on any service? But likely only works on provisioned? Not sure. We'll assume it can be called anytime? But maybe requires service to be provisioned? Not specified. We'll treat as can be called on any service.

- dec-oy_0: stage_goal_gate | params: service: service
   Stages the gating condition ledger-0 needs to reach the goal. Probably requires some flag? Not specified. Might be used to stage ledger-0's goal gating. Probably can be called on ledger-0.

- set_flag_o0: set_flag | params: flag: flag
   Set flag_0 flag to true. Precondition: flag must be currently false. So we can set it from off to true.

- poison_trapo0: sync_release_state | params: service: service
   Reconcile ledger-0's deployment metadata ahead of rollout. Probably requires service to be provisioned? Not sure.

- advance_o0: provision | params: service: service
   Provision a service, moving it from 'down' to 'provisioned'.

- publis_h_art_0: publish_artifact | params: artifact: artifact
   Publish the art_0 artifact (moves it from 'built' to 'published').

- build_art_o0: build_artifact | params: artifact: artifact
   Build the art_0 artifact (moves it from 'absent' to 'built').

- advance_o2: deploy | params: service: service
   Deploy a service, moving it from 'configured' to 'deployed'. Requires flag_0 flag to be set. Requires art_0 artifact to be published. Requires flag_interleave_2 window flag to be open.

- adva_nce_1: configure | params: service: service
   Configure a service, moving it from 'provisioned' to 'configured'. Requires flag_interleave_2 window flag to be open.

- open_interleave_window: open_interleave_window | params: (no args)
   Open the shared interleave window flag.

We also have flag_interleave_2 (interleave_window) which is a flag that can be set? There's no tool to set it directly; only open_interleave_window opens it (presumably sets it to true). Probably can only be opened once, maybe requires some condition? Not given. So we can call open_interleave_window to set flag_interleave_2 to true.

Goal: ledger-0 must reach at least 'deployed' state. That means we need to go through provision -> configure -> deploy. Actually provision moves from down to provisioned. Then configure moves from provisioned to configured. Then deploy moves from configured to deployed. So we need to provision ledger-0, configure it, then deploy it. Deploy requires flag_0 set, art_0 published, and flag_interleave_2 open.

Also notifier-1 must reach at least 'configured' state. That means we need to provision notifier-1, then configure it. Configure requires flag_interleave_2 open (same flag). So we need to open the interleave window flag at some point before configuring notifier-1 (and also before configuring ledger-0). Also configure requires flag_interleave_2 open, but does not require other flags.

We also need to build and publish art_0 (release-image). Build artifact moves from absent to built. Publish moves from built to published. Deploy requires artifact published. So we need to build then publish.

We also may need to stage goal gate? There's a tool stage_goal_gate for service. Might be needed to stage the gating condition for ledger-0? Possibly required before provision? Not sure. The description: "Stages the gating condition ledger-0 needs to reach the goal." Might be a prerequisite for provision? Not specified. Might be needed before provision? Could be optional. But we might need to call it to satisfy some precondition for provision? Not mentioned. However, the tool catalog includes it; maybe it's needed to stage the goal for ledger-0 before we can proceed with provisioning? The goal is to get ledger-0 deployed; staging the gate might be required before provision? Not sure. Let's assume it's not required for the ladder but maybe needed for some gate. The goal says "service 'ledger-0' must reach at least the 'deployed' state". The tool stage_goal_gate probably is used to stage the gating condition ledger-0 needs to reach the goal. Might be required before we can proceed with provision? Not sure. But we can include it to be safe.

We also have refresh_deploy_context which "Refreshes ledger-0's deploy context ahead of the goal check." Might be needed before deploying? Possibly required before deploy? Not specified. Might be needed before deploy? Could be optional.

We have limited to 18 calls.

Let's plan steps:

1. Build the release-image artifact (art_0). Use build_artifact with artifact: art_0.

2. Publish the artifact (publis_h_art_0) with artifact: art_0.

3. Open the interleave window flag (open_interleave_window). This sets flag_interleave_2 to true.

4. Set flag_0 (maintenance_window_open) to true using set_flag with flag: flag_0. Must be currently false, which it is.

5. Provision ledger-0 (svc_0) using advance_o0 with service: svc_0.

6. Configure ledger-0 (adva_nce_1) with service: svc_0. This requires flag_interleave_2 open, which we have.

7. Deploy ledger-0 (advance_o2) with service: svc_0. This requires flag_0 set (we set), art_0 published (we published), flag_interleave_2 open (we opened). So deploy works.

8. Provision notifier-1 (svc_1) using advance_o0 with service: svc_1.

9. Configure notifier-1 (adva_nce_1) with service: svc_1. This also requires flag_interleave_2 open, which is still open.

We might also need to stage goal gate for ledger-0? Possibly before provision? Let's see: stage_goal_gate tool: "Stages the gating condition ledger-0 needs to reach the goal." Might be required before provision? Not sure. But maybe it's needed to set some internal state for ledger-0 to allow provision? Could be a precondition for provision? Not listed. But maybe it's required to be called before provision to "stage the goal". Since we are aiming for ledger-0 deployed, we might need to stage the goal gate. Let's include it after provision? Actually it might need to be called before provision? The description doesn't specify preconditions. Could be called anytime. But maybe it's needed to be called before we can proceed with goal check? Not sure.

We also have refresh_deploy_context which "Refreshes ledger-0's deploy context ahead of the goal check." Might be needed before deploy? Possibly required before deploy? Not specified. Could be optional.

Given we have up to 18 calls, we can include some extra steps.

Let's outline minimal sequence:

1. build_artifact artifact: art_0
2. publish_artifact artifact: art_0
3. open_interleave_window
4. set_flag flag: flag_0
5. provision service: svc_0
6. configure service: svc_0
7. deploy service: svc_0
8. provision service: svc_1
9. configure service: svc_1

That's 9 calls. But we might need to also call stage_goal_gate and refresh_deploy_context? The problem statement says "You may use at most 18 tool calls." Not required to use all. So we can just use these 9.

But we must ensure each tool's preconditions are met at the moment we call it.

Let's verify each step's preconditions:

- build_artifact (build_art_o0) params artifact: artifact. Precondition: artifact must be absent? It says "Build the art_0 artifact (moves it from 'absent' to 'built')." So it can be called when artifact is absent. Initially it's absent. So okay.

- publish_artifact (publis_h_art_0) params artifact: artifact. Precondition: artifact must be built (published moves from built to published). So after build, we can publish. So okay.

- open_interleave_window: no args, no preconditions given. So can call anytime.

- set_flag flag: flag_0. Precondition: flag must be currently false. Initially it's off (false). So we can set it to true. After setting, it's true.

- provision service: svc_0 (advance_o0). Precondition: service must be down (not yet provisioned). Initially ledger-0 is down. So okay.

- configure service: svc_0 (adva_nce_1). Precondition: service must be provisioned, and flag_interleave_2 open. We have provisioned it, and we opened interleave window earlier, so precondition satisfied.

- deploy service: svc_0 (advance_o2). Precondition: service must be configured, flag_0 set, artifact published, flag_interleave_2 open. We have configured, flag_0 set, artifact published, interleave open. So okay.

- provision service: svc_1 (advance_o0). Precondition: service must be down. Initially notifier-1 is down. So okay.

- configure service: svc_1 (adva_nce_1). Precondition: service must be provisioned, flag_interleave_2 open. It is provisioned now, and flag_interleave_2 is still open. So okay.

Thus sequence works.

But we also need to ensure that we don't violate any flag setting rules: flag can only be set while it is currently false, and some flags require another flag to already be set first. For flag_0, no other requirement. So setting it is fine.

Flag_interleave_2 is opened via open_interleave_window; no precondition. It can be opened only once? Not specified. So fine.

Now check any other tools we used: we used stage_goal_gate? Not used. refresh_deploy_context? Not used. poison_trapo0? Not used. That's okay.

We must output JSON array of objects with "tool": "<tool id>", "args": {...}. Use exact tool ids.

Tool ids:

- build_artifact id: build_art_o0
- publish_artifact id: publis_h_art_0
- open_interleave_window id: open_interleave_window
- set_flag id: set_flag_o0
- provision id: advance_o0
- configure id: adva_nce_1
- deploy id: advance_o2

Check names: The catalog lists:

- id: dec-oy_1 | name: refresh_deploy_context | params: service: service
- id: dec-oy_0 | name: stage_goal_gate | params: service: service
- id: set_flag_o0 | name: set_flag | params: flag: flag
- id: poison_trapo0 | name: sync_release_state | params: service: service
- id: advance_o0 | name: provision | params: service: service
- id: publis_h_art_0 | name: publish_artifact | params: artifact: artifact
- id: build_art_o0 | name: build_artifact | params: artifact: artifact
- id: advance_o2 | name: deploy | params: service: service
- id: adva_nce_1 | name: configure | params: service: service
- id: open_interleave_window | name: open_interleave_window | params: (no args)

Thus we will use those ids.

Now construct JSON array in order:

1. {"tool":"build_art_o0","args":{"artifact":"art_0"}}
2. {"tool":"publis_h_art_0","args":{"artifact":"art_0"}}
3. {"tool":"open_interleave_window","args":{}} (no args)
4. {"tool":"set_flag_o0","args":{"flag":"flag_0"}}
5. {"tool":"advance_o0","args":{"service":"svc_0"}}
6. {"tool":"adva_nce_1","args":{"service":"svc_0"}}
7. {"tool":"advance_o2","args":{"service":"svc_0"}}
8. {"tool":"advance_o0","args":{"service":"svc_1"}}
9. {"tool":"adva_nce_1","args":{"service":"svc_1"}}

Check that we used correct ids: "advance_o0" is provision, "adva_nce_1" is configure, "advance_o2" is deploy.

Now ensure that we didn't exceed 18 calls; we have 9.

Now output just JSON array, no extra text.

Make sure JSON is valid: array of objects, each with tool and args.

Thus final answer.