feat(cpt): consolidate peptide CPT with PSA; drop pr_peptide (v0.2.0) (#1)
Consolidates the `peptide` CPT under PR Core ownership, dropping the `pr_peptide` slug-collision that was 404ing all 89 peptide detail pages. - POST_TYPE: pr_peptide -> peptide - TAX_CATEGORY: pr_peptide_category -> peptide_category - TAX_FAMILY + pr_peptide_family taxonomy removed - Defensive post_type_exists/taxonomy_exists guards on both registrations - Args harmonized as superset of PSA + prior PR Core (adds thumbnail support) - Activation hook + init:999 version-change flush handler - Uninstall scoped to _pr_core_authored flag (PSA-authored posts survive) - Plugin version 0.1.1 -> 0.2.0, CHANGELOG in same commit - ARCHITECTURE.md + CONVENTIONS.md updated with CPT ownership rule QA gate verdict: PASS (qa-reviews/peptide-repo-core/2026-04-22-874f93b.md) Sibling release: peptiderepo/peptide-search-ai#15 (PSA v4.5.0) Known follow-up: manage_peptide_content capability is not granted to any role as of v0.2.0. No current UI/theme reads or writes PR Core-defined meta keys, so no regression. Follow-up thread to decide role assignment.
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peptiderepo
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# Peptide Repo Core — Architecture
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Peptide Repo Core is a WordPress plugin that provides the canonical peptide data layer for the peptiderepo.com ecosystem. It defines the `pr_peptide` custom post type, custom tables for dosing rows and legal status cells, typed repository classes, an AI candidate queue for semi-automated data extraction, a shared disclaimer component, and JSON-LD structured data output. Every consumer plugin (PR Theme, PRAutoBlogger, Peptide News, Peptide Search AI, and all Tier 1 tools) reads peptide data through this plugin's versioned PHP API, never directly.
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Peptide Repo Core is a WordPress plugin that provides the canonical peptide data layer for the peptiderepo.com ecosystem. It owns the `peptide` custom post type (consolidated in v0.2.0; previously registered by Peptide Search AI pre-schema-sprint — PSA v4.5.0 drops its registration in favor of this one), the `peptide_category` taxonomy, custom tables for dosing rows and legal status cells, typed repository classes, an AI candidate queue for semi-automated data extraction, a shared disclaimer component, and JSON-LD structured data output. Every consumer plugin (PR Theme, PRAutoBlogger, Peptide News, Peptide Search AI, and all Tier 1 tools) reads peptide data through this plugin's versioned PHP API, never directly.
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**Ownership model (v0.2.0+).** PR Core is the sole registrant of the `peptide` CPT and `peptide_category` taxonomy. Registration is guarded by `post_type_exists()` / `taxonomy_exists()` so a second registration from any other plugin (historically PSA, which now defers) no-ops cleanly and deploy order between plugins does not matter. See CONVENTIONS.md for the CPT ownership rule.
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---
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@@ -25,7 +27,7 @@ Peptide Repo Core is a WordPress plugin that provides the canonical peptide data
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│
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▼
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┌───────────────────────┐
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│ Peptide Repository │ pr_peptide CPT + meta
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│ Peptide Repository │ peptide CPT + meta
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└──────────┬────────────┘
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│
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┌───────────────┼───────────────┐
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@@ -44,7 +46,7 @@ Peptide Repo Core is a WordPress plugin that provides the canonical peptide data
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```
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peptide-repo-core/
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├── peptide-repo-core.php # Plugin bootstrap — constants, autoloader, activation hooks
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├── uninstall.php # Full teardown: tables, posts, terms, options, capabilities
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├── uninstall.php # Selective teardown: plugin-owned posts + tables + options + caps
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├── ARCHITECTURE.md # This file
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├── CONVENTIONS.md # Naming patterns, extension guides
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├── CHANGELOG.md # Semantic versioning changelog
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@@ -53,7 +55,7 @@ peptide-repo-core/
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│
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├── .github/
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│ └── workflows/
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│ └── ci.yml # PHP lint (8.1-8.3), PHPCS WordPress, 300-line check
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│ └── ci.yml # PHP lint (8.1-8.3), PHPCS WordPress, 300-line check, unit tests
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│
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├── assets/
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│ └── css/
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@@ -61,13 +63,13 @@ peptide-repo-core/
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│
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├── includes/
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│ ├── class-pr-core.php # Main orchestrator — boots subsystems, registers public filters
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│ ├── class-pr-core-activator.php # Activation: migrations, capabilities, rewrite flush
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│ ├── class-pr-core-activator.php # Activation + version-change flush handler
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│ ├── class-pr-core-deactivator.php # Deactivation: rewrite flush only (data preserved)
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│ ├── class-pr-core-autoloader.php # SPL autoloader for PR_Core_ prefixed classes
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│ ├── class-pr-core-seed-data.php # Dev fixture: 3 peptides, 10 dosing rows, 5 legal cells
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│ │
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│ ├── cpt/
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│ │ └── class-pr-core-peptide-cpt.php # CPT registration, taxonomies, meta fields, sanitizers
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│ │ └── class-pr-core-peptide-cpt.php # CPT + peptide_category registration (guarded), meta fields, sanitizers
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│ │
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│ ├── migrations/
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│ │ ├── class-pr-core-migration-runner.php # Sequential migration engine
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@@ -82,7 +84,7 @@ peptide-repo-core/
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│ │ └── class-pr-core-candidate-dto.php # Typed candidate queue value object
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│ │
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│ ├── repositories/
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│ │ ├── class-pr-core-peptide-repository.php # CRUD for pr_peptide CPT
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│ │ ├── class-pr-core-peptide-repository.php # CRUD for peptide CPT
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│ │ ├── class-pr-core-dosing-repository.php # CRUD for pr_dosing_rows
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│ │ ├── class-pr-core-legal-repository.php # CRUD for pr_legal_cells
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│ │ └── class-pr-core-candidate-queue-repository.php # CRUD + approve/reject for queue
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@@ -101,8 +103,9 @@ peptide-repo-core/
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│ └── class-pr-core-rest-controller.php # REST endpoints for peptides, dosing, legal
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│
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└── tests/
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├── unit/ # PHPUnit tests (mocked WP)
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└── integration/ # WordPress integration tests
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├── bootstrap.php # Lightweight WP function mocks for no-PHPUnit unit runs
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└── unit/
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└── test-peptide-cpt.php # CPT + taxonomy guard + args payload assertions
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```
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---
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@@ -180,3 +183,16 @@ Single editorial review point. All consumer plugins render the same versioned di
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### #6: JSON-LD from day one
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Drug schema on single pages increases LLM citation rate. Filter hook allows consumer plugins to extend the schema object.
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### #7: PR Core owns the `peptide` CPT and `peptide_category` taxonomy (v0.2.0)
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Prior to v0.2.0, PR Core registered `pr_peptide` while Peptide Search AI registered `peptide` — both claimed the public rewrite slug `peptides`, and WP's rewrite resolver picked PR Core's empty CPT, 404'ing all 89 production peptide detail pages. v0.2.0 consolidates both registrations onto a single `peptide` CPT, owned by PR Core. PSA v4.5.0 drops its CPT/taxonomy registration; its meta boxes (`psa_peptide_data`, `psa_extended_data`), directory shortcode, KB article renderer, and search widget continue operating on the shared `peptide` CPT regardless of who registers it. Registration on both sides is guarded with `post_type_exists()` / `taxonomy_exists()` so deploy order is forgiving.
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## §2.9 Uninstall specification
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PR Core `uninstall.php` removes plugin-owned data only:
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1. **Drops custom tables** — `pr_dosing_rows`, `pr_legal_cells`, `pr_ai_candidate_queue`.
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2. **Deletes `peptide` posts only if they carry the `_pr_core_authored` meta flag.** The 89 canonical peptide posts predate PR Core and were authored via PSA; they are never blanket-deleted on PR Core uninstall.
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3. **Does not delete `peptide_category` terms.** Shared-ownership taxonomy; term metadata the site relies on outlasts this plugin.
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4. **Deletes `pr_core_*` options.**
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5. **Removes `manage_peptide_content` capability from all roles.**
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