chore: update Project Standards packages

.agents/skills/agent-handoff/SKILL.md

@@ -44,7 +44,7 @@ Knowledge files under `docs/` belong to the consumer after creation. Preserve th
 The standard owns:
 
 - `.agents/skills/agent-handoff/**`;
-- the optional `.agents/hooks/agent-handoff/session_start.py`;
+- the optional `.agents/hooks/agent-handoff/session-start`;
 - only the exact marked blocks or semantic hook entries it installed;
 - its entries in the central `.standards/lock.toml` inventory.
 

.agents/skills/markdown-frontmatter/SKILL.md

@@ -12,7 +12,7 @@ metadata:
 
 ## Overview
 
-Author and fix YAML frontmatter for **managed Markdown documents** under the [project-standards Markdown Frontmatter Standard](https://github.com/L3DigitalNet/project-standards/blob/v5.14.0/standards/markdown-frontmatter/versions/1.8/README.md).
+Author and fix YAML frontmatter for **managed Markdown documents** under the [project-standards Markdown Frontmatter Standard](https://github.com/L3DigitalNet/project-standards/blob/v5.19.0/standards/markdown-frontmatter/versions/1.11/README.md).
 
 This skill ships with the standard package and is installed repo-local at `.agents/skills/markdown-frontmatter` when a repository adopts the standard. That path is deliberate: both Claude Code and Codex CLI can discover it without a global skill owner.
 
@@ -83,7 +83,7 @@ These fields accept only these values (the schema is the source of truth):
 
 ## The `id` field — standard-enforced format
 
-> **This is a standard rule, not a local addition.** `markdown-frontmatter@1.8` enforces the id format below via `validate-id` (run by `project-standards validate` and the V5 CI workflow). An id whose leading segment is not a valid `doc_type` **fails validation** with `prefix '<x>' is not a valid doc_type`. Earlier repo-name-prefixed ids no longer pass.
+> **This is a standard rule, not a local addition.** `markdown-frontmatter@1.11` enforces the id format below via `validate-id` (run by `project-standards validate` and the V5 CI workflow). An id whose leading segment is not a valid `doc_type` **fails validation** with `prefix '<x>' is not a valid doc_type`. Earlier repo-name-prefixed ids no longer pass.
 
 ```text
 {doc_type}-{base36-6}-{document-name}
@@ -169,8 +169,8 @@ To check or repair a single file's id: `validate-id <file>` (add `--fix` to rewr
 
 ## Authoritative references
 
-- [Standard README](https://github.com/L3DigitalNet/project-standards/blob/v5.14.0/standards/markdown-frontmatter/versions/1.8/README.md) — overview and adoption surface.
-- [Structure Requirements](https://github.com/L3DigitalNet/project-standards/blob/v5.14.0/standards/markdown-frontmatter/versions/1.8/structure.md) — hard fields, key order, scalar/list rules, IDs, and validation.
-- [Field Values](https://github.com/L3DigitalNet/project-standards/blob/v5.14.0/standards/markdown-frontmatter/versions/1.8/field-values.md) — lifecycle, ownership, canonical tags, aliases, relationships, sources, and extensions.
-- [Adoption guide](https://github.com/L3DigitalNet/project-standards/blob/v5.14.0/standards/markdown-frontmatter/versions/1.8/adopt.md) — unified config, CI workflow, repo-local skill install, and compliance procedure.
-- `standards/markdown-frontmatter/versions/1.8/schemas/markdown-frontmatter.schema.json` (in project-standards) — the selected package contract; wins on any conflict.
+- [Standard README](https://github.com/L3DigitalNet/project-standards/blob/v5.19.0/standards/markdown-frontmatter/versions/1.11/README.md) — overview and adoption surface.
+- [Structure Requirements](https://github.com/L3DigitalNet/project-standards/blob/v5.19.0/standards/markdown-frontmatter/versions/1.11/structure.md) — hard fields, key order, scalar/list rules, IDs, and validation.
+- [Field Values](https://github.com/L3DigitalNet/project-standards/blob/v5.19.0/standards/markdown-frontmatter/versions/1.11/field-values.md) — lifecycle, ownership, canonical tags, aliases, relationships, sources, and extensions.
+- [Adoption guide](https://github.com/L3DigitalNet/project-standards/blob/v5.19.0/standards/markdown-frontmatter/versions/1.11/adopt.md) — unified config, CI workflow, repo-local skill install, and compliance procedure.
+- `standards/markdown-frontmatter/versions/1.11/schemas/markdown-frontmatter.schema.json` (in project-standards) — the selected package contract; wins on any conflict.

.claude/settings.json

@@ -6,8 +6,7 @@
 				"hooks": [
 					{
 						"type": "command",
-						"command": "sh -c 'if python3 -c \"import sys; raise SystemExit(sys.version_info < (3, 14))\" </dev/null >/dev/null 2>&1; then exec python3 \"$1\"; elif command -v uv >/dev/null 2>&1 && uv run --no-project --python 3.14 --no-python-downloads python3 -c \"import sys; raise SystemExit(sys.version_info < (3, 14))\" </dev/null >/dev/null 2>&1; then exec uv run --no-project --python 3.14 --no-python-downloads python3 \"$1\"; else printf \"%s\\n\" \"agent-handoff: requires Python 3.14+ or uv with an installed Python 3.14\" >&2; exit 127; fi' agent-handoff \"${CLAUDE_PROJECT_DIR}/.agents/hooks/agent-handoff/session_start.py\"",
-						"args": [],
+						"command": "\"${CLAUDE_PROJECT_DIR}/.agents/hooks/agent-handoff/session-start\"",
 						"timeout": 10,
 						"statusMessage": "Loading agent handoff state..."
 					}

.codex/config.toml

@@ -2,6 +2,6 @@
 matcher = "startup|resume|clear|compact"
 [[hooks.SessionStart.hooks]]
 type = "command"
-command = "sh -c 'if python3 -c \"import sys; raise SystemExit(sys.version_info < (3, 14))\" </dev/null >/dev/null 2>&1; then exec python3 \"$1\"; elif command -v uv >/dev/null 2>&1 && uv run --no-project --python 3.14 --no-python-downloads python3 -c \"import sys; raise SystemExit(sys.version_info < (3, 14))\" </dev/null >/dev/null 2>&1; then exec uv run --no-project --python 3.14 --no-python-downloads python3 \"$1\"; else printf \"%s\\n\" \"agent-handoff: requires Python 3.14+ or uv with an installed Python 3.14\" >&2; exit 127; fi' agent-handoff \"$(git rev-parse --show-toplevel)/.agents/hooks/agent-handoff/session_start.py\""
+command = "\"$(git rev-parse --show-toplevel)/.agents/hooks/agent-handoff/session-start\""
 timeout = 10
 statusMessage = "Loading agent handoff state..."

.github/workflows/dependency-review.yml

@@ -40,7 +40,6 @@ jobs:
           allow-licenses: >-
             MIT, BSD-2-Clause, BSD-3-Clause, Apache-2.0, ISC, Python-2.0, PSF-2.0, 0BSD, Unlicense, MPL-2.0, CC0-1.0, MIT-0, HPND
 
-
           # rfc3987-syntax (via jsonschema[format-nongpl], spec §8.6/OQ-018):
           # GitHub's scanner reports "Apache-2.0 AND GPL-1.0-or-later AND MIT",
           # but the distributed package is MIT — verified 2026-07-06 against the