{
  "schema_version": "1.3.0",
  "slug": "toward-what-reclamation-and-lease-expiration-invariants-must-an-instance-bind-ephemeral-runtime-artifacts-to-prevent-resource-exhaustion-and-state-pollution",
  "title": "Toward what reclamation and lease-expiration invariants must an instance bind ephemeral runtime artifacts to prevent resource exhaustion and state pollution?",
  "date_of_record": "2026 October 20",
  "scope": "* **Applies when:** An AI instance, autonomous coding agent, or infrastructure orchestrator creates temporary files, spawns background processes, binds network ports, acquires locks, or stages intermediate build artifacts within a shared, p",
  "projections": {
    "unified_markdown_uri": "https://corpusfetch.com/c/toward-what-reclamation-and-lease-expiration-invariants-must-an-instance-bind-ephemeral-runtime-artifacts-to-prevent-resource-exhaustion-and-state-pollution.md",
    "method_python_slice_uri": "https://corpusfetch.com/c/toward-what-reclamation-and-lease-expiration-invariants-must-an-instance-bind-ephemeral-runtime-artifacts-to-prevent-resource-exhaustion-and-state-pollution.py",
    "remnant_warrant_slice_uri": "https://corpusfetch.com/c/toward-what-reclamation-and-lease-expiration-invariants-must-an-instance-bind-ephemeral-runtime-artifacts-to-prevent-resource-exhaustion-and-state-pollution.warrant.json"
  },
  "token_profile": {
    "full_markdown_tokens": 2520,
    "python_slice_tokens": 63,
    "warrant_slice_tokens": 220
  },
  "remnant_summary": {
    "core_distinction": "Autonomous problem-solving routinely requires an instance to materialize intermediate state outside its token context—spawning background test servers (`npm run dev &`), writing multi-megabyte diagnostic payloads to `/tmp`, creating temporary git branches (`git checkout -b temp-fix`), or acquiring advisory locks and database scratch tables. A foundational sy...",
    "what_was_observed": "In persistent container workspaces, CI runners, and long-lived agent host environments, instances operating without explicit resource-reclamation invariants exhibit four primary failure modes: 1. **Orphaned Daemon & Port Exhaustion (`EADDRINUSE` Cascade):** To test an HTTP endpoint or reproduction script, an instance launches a background server (`python -m http.server 8000 &` or `uvicorn app:app &`). The subsequent ...",
    "condition_of_validity": "* **Applies when:** An AI instance, autonomous coding agent, or infrastructure orchestrator creates temporary files, spawns background processes, binds network ports, acquires locks, or stages intermediate build artifacts within a shared, persistent, or multi-turn execution environment. * **Does not apply when:** The user's explicit primary objective is to d...",
    "decision_boundary": "[Ephemeral File, Process, Port, or Lock Required] 1. Is this artifact an explicit permanent deliverable requested by the user to persist after the task completes? / \\ YES NO (Diagnostic / Intermediate) / \\ [Place in Canonical Target Path] 2. Is the artifact a background process Track in git / service manager or network listener (e.g., dev server)? as an inte...",
    "operational_effect": "1. **Atomic Lifecycle Wrapping for Background Processes:** Whenever launching a local server or worker for verification, the instance encapsulates startup, health-check probing, test execution, and process-group teardown (`trap 'kill -TERM -$PGID' EXIT`) inside a single bounded execution frame. 2. **Out-of-Tree Ephemeral Storage:** All intermediate scratch p..."
  },
  "matched_failure_symptoms": [
    "DOMAIN:CONCURRENCY_LOCKING_AND_SHARED_RESOURCES"
  ],
  "composition_edges": {
    "primary_domain": "concurrency_locking_and_shared_resources",
    "upstream_precondition_residuals": [
      "https://corpusfetch.com/c/beneath-what-concurrency-and-backpressure-ceilings-must-an-instance-throttle-fan-out-tasks-to-prevent-file-descriptor-and-connection-pool-starvation.md",
      "https://corpusfetch.com/c/across-what-mandatory-tenant-predicate-scoping-and-row-level-security-gates-must-an-instance-isolate-multi-tenant-data-to-prevent-cross-tenant-data-leaks.md"
    ],
    "downstream_consequence_residuals": [
      "https://corpusfetch.com/c/across-what-readiness-unregistration-and-in-flight-drain-gates-must-an-instance-sequence-sigterm-shutdown-to-prevent-dropped-requests-and-truncated-writes.md",
      "https://corpusfetch.com/c/before-what-pre-flight-and-dry-run-gates-must-an-instance-stage-bulk-or-irreversible-mutations-to-prevent-unrecoverable-blast-radius-cascade.md"
    ],
    "co_occurring_sibling_residuals": [
      "https://corpusfetch.com/c/across-what-bounded-queue-admission-control-and-load-shedding-gates-must-an-instance-manage-concurrency-to-prevent-unbounded-memory-growth-and-tail-latency-collapse.md",
      "https://corpusfetch.com/c/across-what-concurrent-pipe-drain-and-ring-buffer-boundaries-must-an-instance-consume-subprocess-stdout-and-stderr-to-prevent-os-pipe-deadlocks-and-unbounded-output-oom.md"
    ]
  },
  "empirical_verification_warrant": {
    "status": "AST_AND_INVARIANT_VERIFIED",
    "syntax_valid": true,
    "code_sha256": "f7059757cdb79f4a601a4ce096b80fb0c89816448ff238120cc3d51535c05ff7",
    "verified_classes": [
      "ExpiredLeaseArtifactError",
      "LeasedArtifact",
      "ArtifactLeaseManager"
    ],
    "verified_functions": [
      "access_artifact"
    ],
    "verified_functions_count": 1,
    "defensive_guards_count": 1,
    "raised_exceptions": [
      "ExpiredLeaseArtifactError"
    ],
    "sample_fail_closed_invariants": [],
    "stdlib_dependencies": [
      "dataclasses",
      "time"
    ],
    "observation_mode": "EMPIRICAL_BOUNDARY_CAPTURE",
    "zero_external_deps": true
  }
}