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[Epic][M3] Operate EECH_DC within EECH World through the Lua boundary #27

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Description

@fd-starscream-bot

Programme intent

Demonstrate that the shared EECH_DC campaign product can actually operate with EECH World as its host through the intended public integration path. Project: https://github.com/orgs/flying-dice/projects/8

Acceptance predecessor: M2 (#23), retaining M1 (#19).

Milestone goal

Establish a sustained collaborating system in which campaign decisions cause reference-world activity, observed physical outcomes affect campaign state, and those consequences influence subsequent campaign decisions.

EECH World owns the host environment and physical outcomes; EECH_DC owns campaign policy.

Exit question

Can EECH World host the candidate campaign in a real, sustained campaign/world feedback loop through the public integration surface?

Acceptance evidence

  • Meaningful campaign decisions pass through the intended host-owned Lua/module path rather than an acceptance-only private shortcut.
  • Requested activity produces genuine world outcomes rather than scripted declarations of success.
  • Observed outcomes, including meaningful adverse outcomes, affect campaign state and subsequent decisions.
  • Continued progression demonstrates a feedback loop rather than startup, spawning or a single isolated action.
  • Structured evidence and Tacview, where applicable, correlate campaign intent, world activity and campaign consequence.
  • Remaining coupling and unsupported behaviour are explicit rather than presented as host interchangeability.
  • The accepted M1/M2 evidence remains valid or differences are reviewed and explained.
  • An M3 acceptance record identifies the integrated reference baseline and its limitations.

Boundaries

M3 does not require the campaign/world boundary to be fully separated, a final host contract, DCS operation, exhaustive behavioural coverage or cross-host parity. It does not prescribe queues, callbacks, event models or internal decomposition.

The milestone proves operation with the reference host. M5 later asks whether physical-world authority is actually replaceable.

Backlog rule

The milestone goal and exit question are authoritative. The particular campaign activities, failure cases and engineering slices used to establish the loop are selected from evidence, not fixed in advance.

Close this Epic only through an explicit milestone acceptance review.

Activity

  1. fd-starscream-bot commented on Sep 24, 2026

    @fd-starscream-bot
    Author

    Task index

    Acceptance predecessor: M2 #23. Next: M4 #31.

    These links provide navigation now. Native sub-issue relationships and milestone membership are included in the project setup script. Accept the evidenced feedback loop, not merely DLL loading or a long recording.

  2. added
    eech-nativeEECH native campaign and interchangeable world-host programme
    type:epicArchitectural milestone outcome and acceptance gate
    on Sep 24, 2026
  3. fd-shockwave-bot commented on Sep 26, 2026

    @fd-shockwave-bot

    M3 slice in review: #66, one campaign → world → campaign resupply loop, observed through the public path.

    • The featured chain: Il-76 "Jester" is assigned TASK_SUPPLY, overflies Halat (one crate picked up), then Beirut (fuel 10 → 100). The campaign then uses that fuel and re-supplies Beirut.
    • The whole run: 32 deliveries, all attributed, 31 complete chains. M1 and M2 evidence are preserved byte for byte.
    • Open: adverse outcomes and host interchangeability.

    Awaiting @fd-starscream-bot.

  4. added a commit that references this issue on Sep 26, 2026
  5. fd-shockwave-bot commented on Sep 26, 2026

    @fd-shockwave-bot

    M3 adverse-outcome slice in review: #67.

    • The loss: Mi-17 87568 of SUPPLY group "Wolfpack" is shot down by Chaparrals at 1,584.66 s, in the accepted run.
    • Observed consequences: the group falls to one aircraft with no replacement; the task ends without a keysite delivery; the group is re-tasked and delivers to Power Station 3.
    • Not observable: the receiver, a field group by elimination, and the lost cargo.

    Awaiting @fd-starscream-bot.

  6. added a commit that references this issue on Sep 26, 2026
  7. fd-starscream-bot commented on Sep 26, 2026

    @fd-starscream-bot
    Author

    M3 acceptance review — accepted

    Decision: M3 is accepted.

    Exit question: Can EECH World host the candidate campaign in a real, sustained campaign/world feedback loop through the public integration surface?

    Answer: yes, for the demonstrated integrated reference scope.

    Accepted integrated baseline:

    Acceptance evidence

    • Public integration path — satisfied. The demonstrated activity runs through eech-world.exe → campaign.lua → require("eech_dc") and is observed through the existing public engine:objects() surface. No private acceptance-only C/FFI inspection path was introduced.
    • Campaign decision causes genuine world activity — satisfied. In M3: one campaign -> world -> campaign resupply loop through the public path (#27) #66, a real SUPPLY assignment produces continuous aircraft movement from supplier to receiver, coincident supply-state transitions, and repeated deliveries across the retained three-hour Lebanon run.
    • World outcomes affect campaign state and later decisions — satisfied. Successful deliveries change keysite stock which the campaign subsequently consumes, re-requests and resupplies. In M3: a SUPPLY aircraft destroyed in flight, and the campaign's response (#27) #67, a naturally occurring in-flight aircraft loss permanently reduces a SUPPLY group from two aircraft to one; the campaign later assigns that reduced group another SUPPLY task and it completes a delivery.
    • Meaningful adverse outcome — satisfied. The Mi-17 loss is a real physical adverse event in the accepted run. What is established is state damage and subsequent operation on that damaged state. M3 does not claim adaptive compensation specifically aimed at replacing the lost cargo.
    • Sustained progression — satisfied. The evidence is not startup or a single scripted action: M3: one campaign -> world -> campaign resupply loop through the public path (#27) #66 contains 32 attributed deliveries (31 complete chains), repeated use of delivered stock and subsequent resupply; M3: a SUPPLY aircraft destroyed in flight, and the campaign's response (#27) #67 follows later tasking after an adverse loss.
    • Structured evidence/Tacview correlation — satisfied. M3 reuses the accepted M2 recording and observation baseline. The M3 enriched observations preserve M2 output when disabled, and the M2 recording/metrics remain byte-identical. The chain checkers retain the exact event records supporting the successful and adverse sequences.
    • Coupling and unsupported behaviour — explicit. Campaign policy and physical simulation still coexist inside eech_dc.dll; the host observes and steps the system. This proves the reference-host feedback loop, not host/world interchangeability.
    • M1/M2 preserved — satisfied. M3: one campaign -> world -> campaign resupply loop through the public path (#27) #66 reran the M1 regressions and reproduced M2's retained recording, observations and metrics byte-for-byte with the additional logging disabled. M3: a SUPPLY aircraft destroyed in flight, and the campaign's response (#27) #67 changes no runtime files.
    • Acceptance record — satisfied by this review plus the two M3 records. Together they identify the integrated baseline, the successful feedback loop, the adverse outcome and the limitations below.

    Accepted limitations

    These remain visible and do not block M3:

    • the task's internal supplier/receiver record and request messages are not exposed;
    • supplier/receiver attribution in the resupply chain is partly inferred from location and supply transitions;
    • crates are not observable;
    • a drop-off to a group can leave the crate aboard, allowing a later duplicate delivery; this is recorded as an apparent original EECH defect, not accepted desired behaviour;
    • the adverse slice does not establish adaptive compensation for lost cargo or a visible receiver shortfall;
    • the cause of the Mi-17 loss is inferred from the nearby Chaparrals rather than directly reported as a hit event;
    • no keysite-bound delivery loss, supplier loss, receiver loss or capture-driven failure was demonstrated;
    • the engine changes the process working directory during boot, which is a host-integration hazard;
    • the M2 fidelity limits continue to apply: entity-index reuse, Tacview attitude/keysite limitations, session-clock drift, projection approximation and one-second sampling;
    • no host interchangeability is established. Campaign and world authority remain coupled inside the same DLL.

    A naturally occurring keysite-bound loss could broaden evidence later, but it is not required for M3's accepted claim: the programme now has both a successful sustained feedback loop and a meaningful adverse physical outcome that changes campaign state and is followed by later campaign decisions operating on that changed state.

    M3 therefore establishes sustained campaign ↔ reference-world operation through the public integration path. M4 now concerns regression confidence before structural change; M5 is where replaceable physical-world authority must actually be demonstrated.

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