peptiderepo 84feb5e98b feat(images): wire image pipeline into article flow (commit 1b) ...

Completes the image + A/B experiment workstream by integrating
image generation into the post publishing pipeline.

New classes:
- class-image-pipeline.php: Orchestrates A/B generation (article-driven
  Image A → featured; source-driven Image B → post meta). Each image
  independently fallible; article publishes even if both fail.
- class-image-prompt-builder.php: Synthesizes visual prompts from article
  title+content and Reddit source data. Appends CEO-locked 90s infomercial
  style suffix. Keeps prompts concise for FLUX.1 quality.
- class-image-media-sideloader.php: Downloads image bytes, creates temp
  file, sideloads via media_handle_sideload(), sets alt text and metadata,
  cleans up temp files.

Changes to existing files:
- Publisher.attach_generated_images(): Runs image pipeline post-creation,
  sets _thumbnail_id (Image A) and _prautoblogger_image_b_id (Image B).
  Errors logged but don't block post publication.
- Settings: prautoblogger_image_enabled (toggle, default off).

Tests:
- ImagePipelineTest.php: Orchestration, cost tracking, graceful failures.
- ImagePromptBuilderTest.php: Prompt generation, length limits.

Docs:
- ARCHITECTURE.md: New step 6b in data flow, new files in file tree.
- CHANGELOG.md: Commit 1a/1b breakdown.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-04-16 16:43:58 +07:00

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