ci: fix YAML syntax error in release-on-main workflow

[benvinegar]

Problem

The heredoc body for the Claude prompt in release-on-main.yml was flush-left (unindented), which broke out of the YAML run: | block scalar. The YAML parser saw Allowed outputs: on line 105 as a mapping key, causing a parse error at line 104.

Fix

Replaced $(cat <<'EOF' ... EOF) with read -r -d '' PROMPT <<'PROMPT_EOF' || true and indented all heredoc content to match surrounding script indentation.

• The || true is needed because read returns non-zero when hitting EOF with -d '', which would otherwise trip set -e.
• All 3 workflow files pass YAML lint after this change.

Validation

npx yaml-lint .github/workflows/release-on-main.yml
✔ YAML Lint successful.

[greptile-apps]

Greptile Summary

Fixes a YAML syntax error in the release-on-main.yml workflow introduced in #162. The original $(cat <<'EOF' ... EOF) heredoc pattern placed unindented content inside a YAML run: | block scalar, causing the YAML parser to misinterpret Allowed outputs: as a mapping key.

• Replaced with read -r -d '' PROMPT <<'PROMPT_EOF' || true pattern, which keeps all heredoc content properly indented within the YAML block scalar
• The || true correctly handles read returning non-zero at EOF with -d '', preventing set -e from aborting the script
• Verified: the old version fails YAML parsing; the new version parses correctly and produces the intended shell script

Confidence Score: 5/5

• This PR is safe to merge — it fixes a confirmed YAML parse error with a well-understood shell pattern.
• Single-file CI fix that corrects a verified YAML parsing failure. The replacement pattern (read -r -d '' with || true) is idiomatic and the YAML block scalar indentation was verified to produce the correct shell script after parsing. No functional changes to the workflow logic.
• No files require special attention

Important Files Changed

Filename	Overview
.github/workflows/release-on-main.yml	Fixes YAML parse error by replacing $(cat <<'EOF' ... EOF) heredoc (which broke out of the YAML block scalar) with `read -r -d '' PROMPT <<'PROMPT_EOF'

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[YAML run: block scalar] --> B[Shell script extracted]
    B --> C["read -r -d '' PROMPT <<'PROMPT_EOF' || true"]
    C --> D[Heredoc content captured in PROMPT variable]
    D --> E[jq builds Anthropic API payload with $PROMPT]
    E --> F[curl sends request to Claude API]
    F --> G[Parse response JSON for release decision]

    style C fill:#90EE90,stroke:#333
    style A fill:#87CEEB,stroke:#333

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_{Last reviewed commit: 8ff62c9}