Record 4817b1decce24d7a9b32e9191b39760d

We need to produce a JSON array of tool calls that will achieve the goal: ledger-0 must reach at least 'deployed' state, billing-1 must reach at least 'configured' state.

Current state: ledger-0 down, billing-1 down, ingest-2 down. release-image artifact does not exist, db-migration artifact does not exist. maintenance_window_open flag is off. secrets_synced flag is off. Also there is flag_interleave_2 (interleave_window) but not mentioned as on/off; presumably default off.

We have tools:

- poison_trap (sync_release_state) for a service (reconcile ledger-0's deployment metadata ahead of rollout). There are two entries: poison_trap and decoy_1 both named sync_release_state? Actually catalog shows:

- id: poison_trap | name: sync_release_state | params: service: service
- id: decoy_1 | name: sync_release_state | params: service: service

Probably they are distinct tools but same name; we can use either. Both require a service param.

- publish_art_0: publish artifact (artifact param). Moves from built to published. But we need to build first.

- build_art_0: build artifact (artifact param). Moves from absent to built.

- set_flag_0: set flag_0 (maintenance_window_open) to true.

- advance_0: provision service (service param). Moves down -> provisioned.

- advance_2: deploy service (service param). Moves configured -> deployed. Requires flag_0 set, art_0 published, flag_interleave_2 open.

- advance_1: configure service (service param). Moves provisioned -> configured. Requires flag_interleave_2 open.

- open_interleave_window: opens flag_interleave_2 (no args).

Goal: ledger-0 must reach at least 'deployed' state. That means we need to provision, configure, deploy? Actually ladder: down -> provisioned -> configured -> deployed -> healthy. So to reach deployed, we need to provision, then configure, then deploy. However note that configure moves from provisioned to configured; deploy moves from configured to deployed. So we need to provision ledger-0, then configure it, then deploy it. Deploy requires flag_0 set, art_0 published, flag_interleave_2 open. Configure requires flag_interleave_2 open. Provision does not have extra requirements (just down -> provisioned). So we need to open interleave window flag before configure and deploy. Also need to set flag_0 (maintenance_window_open) before deploy. Also need art_0 published before deploy. So we need to build artifact, publish it, then later deploy.

Also billing-1 must reach at least 'configured' state. That means we need to provision billing-1, then configure it. Provisioning is down -> provisioned. Configure requires flag_interleave_2 open. So we need to open interleave window before configuring billing-1. Also provisioning does not need any flags.

We also have ingest-2 but not needed.

We have flags: flag_0 (maintenance_window_open) currently off. flag_1 (secrets_synced) off. flag_interleave_2 currently off (not mentioned but presumably off). We can set flag_0 via set_flag_0. We can open interleave window via open_interleave_window.

We also have decoy_0 and decoy_1 which are verify_goal_readiness and sync_release_state; maybe not needed.

We have poison_trap (sync_release_state) for a service; maybe needed for ledger-0 before deployment? The description: "Reconcile ledger-0's deployment metadata ahead of rollout." Might be a prerequisite? Not sure if required. The tool's preconditions? Not given; but likely it can be called anytime? It might be needed to sync release state before deploy. Since deploy requires art_0 published, maybe we need to sync release state? The tool "poison_trap" maybe required to be called before deploy? Not sure. The catalog includes two sync_release_state tools: poison_trap and decoy_1. Possibly they are alternative ways; but maybe only one is needed. The goal may require using poison_trap? Not sure.

The problem says: "Each tool has typed parameters and PRECONDITIONS that must hold at the moment you call it; calling a tool whose preconditions are not met is an error and your plan fails." So we must ensure preconditions are met. We need to infer preconditions from description? The description may contain preconditions. Let's parse each tool:

- poison_trap: name sync_release_state, params service: service. Description: "Reconcile ledger-0's deployment metadata ahead of rollout." Probably preconditions: maybe requires the service to be provisioned? Or maybe requires flag_interleave_2 open? Not sure. Not given. Might require that the service is provisioned? Or that the artifact is published? Not sure. Since it's called "reconcile ledger-0's deployment metadata ahead of rollout", maybe it's used before deploy. Could be that it requires the service to be provisioned? Or maybe it requires the flag_interleave_2 open? Not sure.

- decoy_1: same name sync_release_state, params service: service. Description: "Reconciles ledger-0's deployment metadata before rollout." Similar.

- publish_art_0: publish_artifact, params artifact: artifact. Moves from built to published. Preconditions: artifact must be built (i.e., built artifact exists). So we need to build first.

- set_flag_0: set_flag_0, param flag: flag. Sets flag_0 to true. Precondition: flag must be currently false. Also maybe some other condition? It says "A flag can only be set while it is currently false, and some flags require another flag to already be set first." So flag_0 can be set if it's currently false (which it is). No other requirement mentioned.

- build_art_0: build_artifact, param artifact: artifact. Moves from absent to built. Preconditions: artifact must be absent (which it is). No other requirement.

- advance_0: provision service, param service: service. Moves down -> provisioned. No extra preconditions.

- advance_2: deploy service, param service: service. Moves configured -> deployed. Requires flag_0 set, art_0 published, flag_interleave_2 open.

- advance_1: configure service, param service: service. Moves provisioned -> configured. Requires flag_interleave_2 open.

- open_interleave_window: opens flag_interleave_2. No args. Probably can be called anytime (maybe requires flag_interleave_2 to be off). Not specified but likely can be called when it's off.

- decoy_0: verify_goal_readiness, param service: service. Not sure preconditions.

We need to produce a plan with at most 9 tool calls.

Goal: ledger-0 deployed, billing-1 configured.

We need to produce a sequence of tool calls that satisfy all preconditions.

Let's outline steps:

1. Build artifact art_0 (release-image). Use build_art_0 with artifact art_0.

2. Publish artifact art_0 (publish_art_0) to move to published.

3. Set flag_0 (maintenance_window_open) to true via set_flag_0.

4. Open interleave window via open_interleave_window (sets flag_interleave_2 to open). This may be needed before configure and deploy.

5. Provision ledger-0 (advance_0 with service svc_0). This moves down -> provisioned.

6. Configure ledger-0 (advance_1 with service svc_0). Requires flag_interleave_2 open (which we opened). Also requires provisioned state (which we have). So we can configure.

7. Deploy ledger-0 (advance_2 with service svc_0). Requires flag_0 set (we set), art_0 published (we published), flag_interleave_2 open (we opened). So we can deploy.

Now billing-1 must be configured (at least configured). So we need to provision billing-1 (advance_0 with service svc_1) then configure (advance_1 with service svc_1). Provisioning can happen anytime; configure requires flag_interleave_2 open (already open). So we can provision then configure.

But note that we have a limit of 9 tool calls. Let's count:

1. build_art_0 (artifact art_0)
2. publish_art_0 (artifact art_0)
3. set_flag_0 (flag_0)
4. open_interleave_window ()
5. advance_0 (service svc_0)   // provision ledger-0
6. advance_1 (service svc_0)   // configure ledger-0
7. advance_2 (service svc_0)   // deploy ledger-0
8. advance_0 (service svc_1)   // provision billing-1
9. advance_1 (service svc_1)   // configure billing-1

That's 9 calls exactly. That fits the limit.

But we also need to consider any additional required steps like sync_release_state (poison_trap or decoy_1) maybe required before deploy? The description says "Reconcile ledger-0's deployment metadata ahead of rollout." Might be a prerequisite for deploy? If so, we would need to call one of those before deploy, which would increase count beyond 9, maybe we need to drop something else. However maybe we can skip it because not required? The problem statement says "Each tool has typed parameters and PRECONDITIONS that must hold at the moment you call it; calling a tool whose preconditions are not met is an error and your plan fails." It does not say we must call all tools; we can choose any subset. So we can avoid calling poison_trap if not needed.

But maybe the preconditions for deploy include that the service's deployment metadata is reconciled? The tool "poison_trap" might be required to be called before deploy to satisfy some precondition? The description of advance_2 says "Deploy a service, moving it from 'configured' to 'deployed'. Requires the flag_0 flag to be set. Requires the art_0 artifact to be published. Requires the flag_interleave_2 window flag to be open." It does not mention needing to call poison_trap. So maybe it's not required.

Thus the plan above should work.

But we need to ensure that the flags and artifacts are correctly referenced with exact ids: flag_0 is flag_0; artifact art_0; service svc_0; service svc_1; flag_interleave_2 is flag_interleave_2 (but we open it via open_interleave_window, which has no args). The tool open_interleave_window presumably sets the flag_interleave_2 to open. So after that, flag_interleave_2 is open.

Now we need to output JSON array of objects with "tool": "<tool id>", "args": {...}. The args must include the parameter names as given in tool definitions.

Let's list each tool id and its param mapping:

- build_art_0: name build_artifact, params: artifact: artifact. So args: {"artifact": "art_0"}.

- publish_art_0: name publish_artifact, params: artifact: artifact. So args: {"artifact": "art_0"}.

- set_flag_0: name set_flag, params: flag: flag. So args: {"flag": "flag_0"}.

- open_interleave_window: name open_interleave_window, params: (no args). So args: {} (empty object). Should we include empty args? Probably include empty object.

- advance_0: name provision, params: service: service. So args: {"service": "svc_0"} etc.

- advance_1: name configure, params: service: service. So args: {"service": "svc_0"} etc.

- advance_2: name deploy, params: service: service. So args: {"service": "svc_0"} etc.

Now we need to ensure the order is correct.

Sequence:

1. build_art_0 with artifact art_0.
2. publish_art_0 with artifact art_0.
3. set_flag_0 with flag flag_0.
4. open_interleave_window (no args).
5. advance_0 with service svc_0 (provision ledger-0).
6. advance_1 with service svc_0 (configure ledger-0).
7. advance_2 with service svc_0 (deploy ledger-0).
8. advance_0 with service svc_1 (provision billing-1).
9. advance_1 with service svc_1 (configure billing-1).

Check preconditions:

- build_art_0: artifact must be absent. It is absent initially. So ok.

- publish_art_0: artifact must be built. After step 1, it is built. So ok.

- set_flag_0: flag must be false. flag_0 is off initially. So ok.

- open_interleave_window: presumably can be called when flag_interleave_2 is off. It is off initially. So ok.

- advance_0 (provision svc_0): service must be down. It is down. So ok.

- advance_1 (configure svc_0): requires flag_interleave_2 open. We opened it in step 4, so satisfied.

- advance_2 (deploy svc_0): requires flag_0 set (true), art_0 published (true), flag_interleave_2 open (true). All satisfied.

- advance_0 (provision svc_1): service svc_1 is down, so ok.

- advance_1 (configure svc_1): requires flag_interleave_2 open (still open). So ok.

Thus all preconditions satisfied.

Now we need to output JSON array of objects. Each object: {"tool": "<tool id>", "args": {...}}.

Make sure to use exact tool ids as given: "build_art_0", "publish_art_0", "set_flag_0", "open_interleave_window", "advance_0", "advance_1", "advance_2". Also need to include "poison_trap"? Not used.

Now ensure JSON formatting: array of objects, no extra whitespace? Probably fine.

Let's construct:

[
  {"tool": "build_art_0", "args": {"artifact": "art_0"}},
  {"tool": "publish_art_0", "args": {"artifact": "art_0"}},
  {"tool": "set_flag_0", "args": {"flag": "flag_0"}},
  {"tool": "open_interleave_window", "args": {}},
  {"tool": "advance_0", "args": {"service": "svc_0"}},
  {"tool": "advance_1", "args": {"service": "svc_0"}},
  {"tool": "advance_2", "args": {"service": "svc_0"}},
  {"tool": "advance_0", "args": {"service": "svc_1"}},
  {"tool": "advance_1", "args": {"service": "svc_1"}}
]

Check that we used correct tool ids: "advance_0" is provision; "advance_1" is configure; "advance_2" is deploy.

Now ensure that we didn't exceed 9 calls: we have 9 objects, okay.

Now output only the JSON array, no extra text.

Thus final answer is that JSON array.