CI builds: add all files needed for flashing in the zip file for download (incl. bootloader.bin, partitions.bin, boot_app0.bin)

[Copilot]

FRAMEWORK_DIR is not exposed as a SCons env variable in post-build scripts — it's internal to the platform builder. The previous fix always resolved to "", so boot_app0.bin was never copied and remained absent from CI artifact zips.

Changes

• pio-scripts/output_bins.py: Replace env.get("FRAMEWORK_DIR", "") with env.PioPlatform().get_package_dir("framework-arduinoespressif32") — the correct PlatformIO API, consistent with how obj-dump.py already resolves platform paths. ESP8266 builds return None from get_package_dir() and are silently skipped; old arduino-esp32 1.0.x (no tools/partitions/boot_app0.bin) is skipped by the isfile() guard.

_ARDUINO_ESP32_PACKAGE = "framework-arduinoespressif32"
try:
    framework_dir = env.PioPlatform().get_package_dir(_ARDUINO_ESP32_PACKAGE)
    if framework_dir:
        boot_app0_src = os.path.join(str(framework_dir), "tools", "partitions", "boot_app0.bin")
        if os.path.isfile(boot_app0_src):
            shutil.copy(boot_app0_src, os.path.join(builddir, "boot_app0.bin"))
except Exception as e:
    print(f"Warning: could not copy boot_app0.bin ({e})")

• .github/workflows/build.yml: Updated stale comment to reflect the platform API approach.

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[softhack007]

@coderabbitai review please :-)

[coderabbitai]

@softhack007 Sure! I'll kick off a review of the PR right away.

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🧠 Learnings used

Learnt from: softhack007
Repo: MoonModules/WLED-MM PR: 0
File: :0-0
Timestamp: 2026-01-27T00:51:23.865Z
Learning: For Wokwi ESP32 simulations with PlatformIO, bootloader.bin, partitions.bin, and firmware.bin must be merged into a single flash image using `esptool.py merge_bin` with offsets 0x1000, 0x8000, and 0x10000 respectively. Wokwi does not support loading multiple flash file segments separately via wokwi.toml configuration.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: ea52a10a-b220-48fe-b832-7d3541384b77

📥 Commits

Reviewing files that changed from the base of the PR and between 1f92ac1 and 65ef006.

📒 Files selected for processing (4)

• .github/workflows/build.yml
• .github/workflows/nightly.yml
• .github/workflows/release.yml
• pio-scripts/output_bins.py

✨ Finishing Touches

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• Create PR with unit tests
• Commit unit tests in branch copilot/update-ci-build-script

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