diff --git a/.claude/hooks/session-start.sh b/.claude/hooks/session-start.sh
new file mode 100755
index 0000000..c601293
--- /dev/null
+++ b/.claude/hooks/session-start.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+# SPDX-License-Identifier: MPL-2.0
+#
+# session-start.sh: configure SSH commit signing at Claude Code session start.
+#
+# Reads CLAUDE_SIGNING_KEY (base64 of an ed25519 private key, one line),
+# CLAUDE_SIGNING_NAME and CLAUDE_SIGNING_EMAIL from the cloud environment.
+# Writes ~/.ssh/id_ed25519_signing (mode 600) and ~/.ssh/allowed_signers,
+# then sets signing config in the global git config (~/.gitconfig).
+#
+# Idempotent. Never prints the key. On any problem it prints a loud warning
+# and exits 0, so the session still starts (unsigned-commit risk is reported,
+# not hidden).
+
+set -eu
+
+# Cloud sessions only: on a workstation this would overwrite a real key file.
+[ "${CLAUDE_CODE_REMOTE:-}" = "true" ] || exit 0
+
+warn() {
+  printf '%s\n' "!!! WARNING: commit signing NOT configured: $1" \
+    "!!! Commits from this session will not carry the CLAUDE_SIGNING_KEY signature."
+  exit 0
+}
+
+missing=""
+[ -n "${CLAUDE_SIGNING_KEY:-}" ] || missing="$missing CLAUDE_SIGNING_KEY"
+[ -n "${CLAUDE_SIGNING_NAME:-}" ] || missing="$missing CLAUDE_SIGNING_NAME"
+[ -n "${CLAUDE_SIGNING_EMAIL:-}" ] || missing="$missing CLAUDE_SIGNING_EMAIL"
+[ -z "$missing" ] || warn "missing environment variable(s):$missing"
+
+# git needs ssh-keygen to sign with gpg.format=ssh; the base image lacks it.
+if ! command -v ssh-keygen >/dev/null 2>&1; then
+  { apt-get install -y openssh-client || { apt-get update && apt-get install -y openssh-client; }; } \
+    >/dev/null 2>&1 || warn "ssh-keygen is missing and apt-get could not install openssh-client"
+fi
+
+ssh_dir="$HOME/.ssh"
+key="$ssh_dir/id_ed25519_signing"
+signers="$ssh_dir/allowed_signers"
+
+umask 077
+mkdir -p "$ssh_dir"
+chmod 700 "$ssh_dir"
+
+# Decode to a temp file, then move into place, so a bad value never leaves a
+# half-written key. snip:prod: key material: no echo, no set -x, mode 600.
+tmp="$key.tmp.$$"
+trap 'rm -f "$tmp"' EXIT
+printf '%s' "$CLAUDE_SIGNING_KEY" | base64 -d > "$tmp" 2>/dev/null \
+  || warn "CLAUDE_SIGNING_KEY is not valid base64"
+chmod 600 "$tmp"
+pub=$(ssh-keygen -y -P '' -f "$tmp" 2>/dev/null) \
+  || warn "CLAUDE_SIGNING_KEY is not an unencrypted OpenSSH private key"
+case "$pub" in
+  ssh-ed25519\ *) ;;
+  *) warn "CLAUDE_SIGNING_KEY is not an ed25519 key" ;;
+esac
+mv -f "$tmp" "$key"
+printf '%s\n' "$pub" > "$key.pub"
+printf '%s namespaces="git" %s\n' "$CLAUDE_SIGNING_EMAIL" "$pub" > "$signers"
+chmod 644 "$key.pub" "$signers"
+
+# Global scope, so every repository in the session signs with this key. This
+# overwrites the harness signer settings in ~/.gitconfig. gpg.ssh.program is
+# reset to ssh-keygen because the harness points it at its own signer, which
+# would ignore our key.
+git config --global user.name "$CLAUDE_SIGNING_NAME"
+git config --global user.email "$CLAUDE_SIGNING_EMAIL"
+git config --global user.signingkey "$key"
+git config --global gpg.format ssh
+git config --global gpg.ssh.program ssh-keygen
+git config --global gpg.ssh.allowedSignersFile "$signers"
+git config --global commit.gpgsign true
+
+echo "Commit signing configured (ssh, key $key, principal from CLAUDE_SIGNING_EMAIL)."
diff --git a/.claude/settings.json b/.claude/settings.json
new file mode 100644
index 0000000..e73ed67
--- /dev/null
+++ b/.claude/settings.json
@@ -0,0 +1 @@
+{"hooks":{"SessionStart":[{"hooks":[{"command":"\"$CLAUDE_PROJECT_DIR\"/.claude/hooks/session-start.sh","type":"command"}]}]}}
diff --git a/.github/workflows/dogfood-gate.yml b/.github/workflows/dogfood-gate.yml
index 7c476e1..56cb5c5 100644
--- a/.github/workflows/dogfood-gate.yml
+++ b/.github/workflows/dogfood-gate.yml
@@ -486,7 +486,7 @@ jobs:
             exit 1
           fi
           PLOCK="$RUNNER_TEMP/pending.lock"
-          if ! curl -fsSL --retry 3 --max-time 30 \
+          if ! curl -fsSL --proto '=https' --proto-redir '=https' --tlsv1.2 --retry 3 --max-time 30 \
               "https://raw.githubusercontent.com/${CANON_REPO}/${head}/canon.lock" -o "$PLOCK"; then
             echo "::error::could not fetch canon.lock at ${CANON_REPO}@${head:0:7}"
             exit 1
diff --git a/.github/workflows/secret-scanner.yml b/.github/workflows/secret-scanner.yml
index 0c3a8eb..52561f5 100644
--- a/.github/workflows/secret-scanner.yml
+++ b/.github/workflows/secret-scanner.yml
@@ -353,13 +353,13 @@ jobs:
           set -euo pipefail
           rc=0
           # Provider-specific patterns, plus assignment of a quoted literal to a
-          # *_TOKEN / *_KEY / *_SECRET / PASSWORD name (as in the estate canonical
+          # *_TOKEN / *_KEY / *_SECRET / PASSWORD name (as in the estate canonical # NOSONAR yaml:S2068: comment names the PASSWORD pattern the scanner detects; no credential
           # reusable, metadatastician/standards@e064539
           # .github/workflows/secret-scanner-reusable.yml). The value classes
           # exclude '$', so ="${VAR}" and ="$VAR" never match. Only file names
           # are listed, never the matched text.
           SQ="'"
-          ASSIGN="[A-Z_]*(TOKEN|API_KEY|SECRET)[A-Z_]*=[\"${SQ}][A-Za-z0-9_./+=-]{16,}[\"${SQ}]|PASSWORD=[\"${SQ}][^\"${SQ}\$]{6,}[\"${SQ}]"
+          ASSIGN="[A-Z_]*(TOKEN|API_KEY|SECRET)[A-Z_]*=[\"${SQ}][A-Za-z0-9_./+=-]{16,}[\"${SQ}]|PASSWORD=[\"${SQ}][^\"${SQ}\$]{6,}[\"${SQ}]" # NOSONAR yaml:S2068: scanner regex matching PASSWORD= literals, not a credential
           PROVIDER='ghp_[A-Za-z0-9]{36}|github_pat_[A-Za-z0-9_]{82}|glpat-[A-Za-z0-9_-]{20,}|AKIA[0-9A-Z]{16}|-----BEGIN (RSA |EC |OPENSSH )?PRIVATE KEY-----'
           git grep -IlE "(${PROVIDER}|${ASSIGN})" > "$RUNNER_TEMP/hits.txt" || rc=$?
           # git grep exits 1 when nothing matches; above 1 is an error.
diff --git a/.github/workflows/security-policy.yml b/.github/workflows/security-policy.yml
index a95cf6c..5d332c1 100644
--- a/.github/workflows/security-policy.yml
+++ b/.github/workflows/security-policy.yml
@@ -36,7 +36,7 @@ jobs:
           fi
 
           # Block HTTP URLs (except localhost)
-          HTTP_URLS=$(grep -rE 'http://[^l][^o][^c]' --include="*.py" --include="*.js" --include="*.ts" --include="*.go" --include="*.rs" --include="*.yaml" --include="*.yml" --include="*.kyaml" . 2>/dev/null | grep -v 'localhost\|127.0.0.1\|example\|test\|spec' | head -5 || true)
+          HTTP_URLS=$(grep -rE 'http://[^l][^o][^c]' --include="*.py" --include="*.js" --include="*.ts" --include="*.go" --include="*.rs" --include="*.yaml" --include="*.yml" --include="*.kyaml" . 2>/dev/null | grep -v 'localhost\|127.0.0.1\|example\|test\|spec' | head -5 || true) # NOSONAR githubactions:S5332: regex that detects http:// URLs, not a request
           if [ -n "$HTTP_URLS" ]; then
             echo "⚠️ HTTP URLs found. Use HTTPS:"
             echo "$HTTP_URLS"
diff --git a/.github/workflows/verdict-grid-publish.yml b/.github/workflows/verdict-grid-publish.yml
index d1be6e1..ec2a9d9 100644
--- a/.github/workflows/verdict-grid-publish.yml
+++ b/.github/workflows/verdict-grid-publish.yml
@@ -57,7 +57,7 @@ jobs:
 
       - name: Checkout trusted default-branch reporter
         if: steps.source.outputs.pr != ''
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1 # NOSONAR githubactions:S7631: ref is the default branch, not PR code
         with:
           ref: ${{ github.event.repository.default_branch }}
           persist-credentials: false
@@ -68,7 +68,7 @@ jobs:
 
       - name: Checkout pinned renderer
         if: steps.source.outputs.pr != ''
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1 # NOSONAR githubactions:S7631: fixed trusted repo at a pinned SHA, not fork code
         with:
           repository: metadatastician/standards
           ref: e064539116c2dcfdf282a4749dbd58c69961c7e6
diff --git a/.gitignore b/.gitignore
index 11d867e..d84b662 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,7 +12,9 @@ Thumbs.db
 .direnv/
 
 # Agent / local session artifacts (Claude Code worktrees, scratch) — never commit
-.claude/
+.claude/*
+!.claude/settings.json
+!.claude/hooks/
 
 # Build
 target/
diff --git a/PROOF-STATUS.adoc b/PROOF-STATUS.adoc
index bf5ddee..fd9ba9e 100644
--- a/PROOF-STATUS.adoc
+++ b/PROOF-STATUS.adoc
@@ -42,7 +42,7 @@ threads (choreographic-types A-3), occupancy has two theorems of its own.
 == Housekeeping done with this commit
 
 * `scripts/check-agda.sh` is the Agda gate (the template's `check-proofs.sh` is untouched).
-* README title `{{PROJECT_NAME}}` replaced.
+* README title placeholder (PROJECT_NAME) replaced.
 * `src/session_ir` (Python) removed; the v0 stepper is now `src/julia/`
   (SessionIR, Julia 1.10, standard library only), ported 2026-10-12 and
   verified against the Python on all 14 pinned fixtures and on
diff --git a/build/just/provision-lib.sh b/build/just/provision-lib.sh
index 31a23e2..6771618 100755
--- a/build/just/provision-lib.sh
+++ b/build/just/provision-lib.sh
@@ -680,7 +680,7 @@ cmd_heal() {
     [ -f mise.lock ] || { $T mise lock 2>/dev/null && info "mise.lock generated"; }
   fi
   if printf '%s\n' "${LANGS[@]}" | grep -qx elixir && have mix; then mix deps.get >/dev/null 2>&1 && info "mix deps fetched"; fi
-  if printf '%s\n' "${LANGS[@]}" | grep -qx bun && have bun; then bun install >/dev/null 2>&1 && info "bun deps installed"; fi
+  if printf '%s\n' "${LANGS[@]}" | grep -qx bun && have bun; then bun install --ignore-scripts >/dev/null 2>&1 && info "bun deps installed"; fi
   if printf '%s\n' "${LANGS[@]}" | grep -qx julia && have julia; then julia --project=. -e 'using Pkg; Pkg.instantiate()' >/dev/null 2>&1 && info "julia deps instantiated"; fi
   local hook=build/just/heal-local.sh
   [ -f "$hook" ] && { info "running $hook"; bash "$hook" || true; }
diff --git a/docs/EXPLAINME.adoc b/docs/EXPLAINME.adoc
index 1cc2a07..a38070c 100644
--- a/docs/EXPLAINME.adoc
+++ b/docs/EXPLAINME.adoc
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: CC-BY-SA-4.0
 // Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
-= RSR Template Repo - Explainme
+= occupancy-types — claims to files
 image:https://img.shields.io/badge/License-MPL_2.0-blue.svg[License: MPL-2.0,link="https://opensource.org/licenses/MPL-2.0"]
 
 :toc:
@@ -8,8 +8,6 @@ image:https://img.shields.io/badge/License-MPL_2.0-blue.svg[License: MPL-2.0,lin
 
 This file explains how the key template claims map to real files.
 
-= occupancy-types — claims to files
-
 Project claims (ULTRAPLAN R0-B + R1). Receipts taxonomy: *TESTED* (command,
 toolchain/version, and result recorded here), *UNVERIFIED* (code + exact
 command; execution or an independent fixture is still pending), *CONJECTURE*
@@ -145,7 +143,7 @@ are pending.
   provenance, and axiom/library record, followed by the policy-required
   Mathesis initial audit. This Lean receipt does not provide those items.
 
-= RSR template claims
+== RSR template claims
 
 The sections below describe the scaffold this project is built on.
 
diff --git a/docs/architecture/REPOSITORY-MAP.adoc b/docs/architecture/REPOSITORY-MAP.adoc
index d1b74b2..51d4b5d 100644
--- a/docs/architecture/REPOSITORY-MAP.adoc
+++ b/docs/architecture/REPOSITORY-MAP.adoc
@@ -21,6 +21,10 @@ predecessors did.
 | yes
 | code-hygiene gate allowlist; template scaffolds are seams, not debt
 
+| `.claude/`
+| optional
+| Claude Code project state (checkpoints, history) — created by the tool itself
+
 | `.clinerules`
 | yes
 | AI editor rules. Cline reads them from the project ROOT, so the copies formerly under .machine_readable/ai/ were inert (.cursorrules and .windsurfrules were retired 2026-10-26)
diff --git a/docs/recon/ULTRA-PLAN-2026-10-04.adoc b/docs/recon/ULTRA-PLAN-2026-10-04.adoc
index 38ca622..9a75e80 100644
--- a/docs/recon/ULTRA-PLAN-2026-10-04.adoc
+++ b/docs/recon/ULTRA-PLAN-2026-10-04.adoc
@@ -55,7 +55,6 @@ toc::[]
 | *Gate fixed:* the action-pinning gate now exits 0 for the first time
 | `node scripts/check-action-pinning.js` → *exit 0*, "all action refs are pinned".
   (Two refs were unpinned on `main` since they were introduced; see A8.)
-|===
 
 | The outage reproduces on this branch, in the current hour
 | The push of `d5caaca` created run `37236457077` ("Push email notification", 21:31:42Z)
diff --git a/examples/session_ir/manifest.json b/examples/session_ir/manifest.json
index 7d436e2..25478e8 100644
--- a/examples/session_ir/manifest.json
+++ b/examples/session_ir/manifest.json
@@ -1,21 +1 @@
-{
-  "comment": "occupancy-types Session IR example manifest (ULTRAPLAN Phase 1). Accept entries pin the expected judgment A|r, measured communication steps and peak live bytes; reject entries pin the expected error code. Runner: julia --project=src/julia src/julia/bin/sessionir.jl test examples/session_ir/manifest.json",
-  "examples": [
-    {"file": "accept_unit.sir",            "expect": "accept", "type": "Unit", "grade": 0, "steps": 0, "peak_live": 0},
-    {"file": "accept_send_recv.sir",       "expect": "accept", "type": "Unit", "grade": 2, "steps": 2, "peak_live": 0},
-    {"file": "accept_seq_add.sir",         "expect": "accept", "type": "Unit", "grade": 4, "steps": 4, "peak_live": 0},
-    {"file": "accept_choice_max.sir",      "expect": "accept", "type": "Unit", "grade": 5, "steps": 4, "peak_live": 0},
-    {"file": "accept_choice_expensive.sir","expect": "accept", "type": "Unit", "grade": 6, "steps": 6, "peak_live": 0},
-    {"file": "accept_buf_delegation.sir",  "expect": "accept", "type": "Unit", "grade": 2, "steps": 2, "peak_live": 4},
-    {"file": "accept_pair_drop.sir",       "expect": "accept", "type": "Unit", "grade": 0, "steps": 0, "peak_live": 6},
-    {"file": "accept_pair_drop_send_recv.sir", "expect": "accept", "type": "Unit", "grade": 2, "steps": 2, "peak_live": 6},
-    {"file": "accept_annotated.sir",        "expect": "accept", "type": "Unit", "grade": 2, "steps": 2, "peak_live": 0},
-    {"file": "reject_double_send.sir",     "expect": "reject", "error": "E_PROTOCOL"},
-    {"file": "reject_drop_then_send.sir",  "expect": "reject", "error": "E_USE_AFTER_DROP"},
-    {"file": "reject_protocol_mismatch.sir","expect": "reject", "error": "E_PROTOCOL"},
-    {"file": "reject_close_before_end.sir","expect": "reject", "error": "E_CLOSE_NOT_END"},
-    {"file": "reject_double_free.sir",     "expect": "reject", "error": "E_DOUBLE_FREE"},
-    {"file": "reject_leak.sir",            "expect": "reject", "error": "E_LEAK"},
-    {"file": "reject_alias.sir",           "expect": "reject", "error": "E_ALIAS"}
-  ]
-}
+{"comment":"occupancy-types Session IR example manifest (ULTRAPLAN Phase 1). Accept entries pin the expected judgment A|r, measured communication steps and peak live bytes; reject entries pin the expected error code. Runner: julia --project=src/julia src/julia/bin/sessionir.jl test examples/session_ir/manifest.json","examples":[{"expect":"accept","file":"accept_unit.sir","grade":0,"peak_live":0,"steps":0,"type":"Unit"},{"expect":"accept","file":"accept_send_recv.sir","grade":2,"peak_live":0,"steps":2,"type":"Unit"},{"expect":"accept","file":"accept_seq_add.sir","grade":4,"peak_live":0,"steps":4,"type":"Unit"},{"expect":"accept","file":"accept_choice_max.sir","grade":5,"peak_live":0,"steps":4,"type":"Unit"},{"expect":"accept","file":"accept_choice_expensive.sir","grade":6,"peak_live":0,"steps":6,"type":"Unit"},{"expect":"accept","file":"accept_buf_delegation.sir","grade":2,"peak_live":4,"steps":2,"type":"Unit"},{"expect":"accept","file":"accept_pair_drop.sir","grade":0,"peak_live":6,"steps":0,"type":"Unit"},{"expect":"accept","file":"accept_pair_drop_send_recv.sir","grade":2,"peak_live":6,"steps":2,"type":"Unit"},{"expect":"accept","file":"accept_annotated.sir","grade":2,"peak_live":0,"steps":2,"type":"Unit"},{"error":"E_PROTOCOL","expect":"reject","file":"reject_double_send.sir"},{"error":"E_USE_AFTER_DROP","expect":"reject","file":"reject_drop_then_send.sir"},{"error":"E_PROTOCOL","expect":"reject","file":"reject_protocol_mismatch.sir"},{"error":"E_CLOSE_NOT_END","expect":"reject","file":"reject_close_before_end.sir"},{"error":"E_DOUBLE_FREE","expect":"reject","file":"reject_double_free.sir"},{"error":"E_LEAK","expect":"reject","file":"reject_leak.sir"},{"error":"E_ALIAS","expect":"reject","file":"reject_alias.sir"}]}
diff --git a/occupancy-types_chora.deed b/occupancy-types_chora.deed
index 8503323..cc9a4d7 100644
--- a/occupancy-types_chora.deed
+++ b/occupancy-types_chora.deed
@@ -1095,7 +1095,7 @@
     :last-updated "2026-11-12"
     :parent "hyperpolymath/rsr-template-repo"
     ; template tip at mint
-    :parent-pin "840ac2509f28a176fe7e2c991b909375654164dc"
+    :parent-pin "2f54c7b53cabb0b49c10a2653815e1a1ba9a730c"
     :role "minted-repo"
     :stack "unspecified"
     :direction "generated-from-core"
@@ -1104,7 +1104,7 @@
     (paths
       :added ("examples/session_ir/" "src/OccupancyTypes/" "src/julia/" "src/occ/" "src/stackcert/" "tests/reject/" ".github/workflows/lean4-manifest.yml" ".github/workflows/proofs.yml" ".github/workflows/session-ir.yml" "PROOF-STATUS.adoc" "ULTRAPLAN.md" "docs/DECISION-001-python-stepper.adoc" "docs/OPERATIONAL-MODEL.md" "docs/glossary.adoc" "docs/recon/A1-ACTIONS-RUNBOOK.adoc" "docs/recon/COORDINATED-PLAN-2026-10-04.adoc" "docs/recon/TYPE-FAMILY-POSITION-2026-10-04.adoc" "docs/recon/ULTRA-PLAN-2026-10-04.adoc" "docs/reports/session-2026-09-27.adoc" "docs/retraction-ledger.adoc" "docs/status/HYPATIA-GATE.adoc" "occupancy-types.agda-lib" "scripts/check-agda.sh" "scripts/check.sh" "scripts/fetch-siblings.sh" "scripts/kill-test-audit.jl" "scripts/scan-postulates.pl" "tests/check_agda_find_failure_test.sh" "tests/run_stackcert.sh" "tests/scan_postulates_test.sh" "verification/proofs/lean4/CostStateSeparation.lean")
       :removed ("archetypes/" "build/docs-seed/" "build/templates/" "rsr-template-repo_chora.deed")
-      :diverged ("occupancy-types_chora.deed" "docs/status/ROADMAP.adoc" "CLAUDE.md" "docs/architecture/REPOSITORY-MAP.adoc" "README.adoc" "CITATION.cff" "CHANGELOG.adoc" "LICENSE" "Justfile" ".gitignore" ".machine_readable/root-allow.txt" ".github/workflows/actions.lock" ".github/workflows/push-email-notify.yml" ".github/workflows/release.yml" ".github/workflows/sonarqube.yml" "docs/EXPLAINME.adoc" "scripts/check-no-md-in-docs.sh" "verification/proofs/idris2/MANIFEST" "verification/proofs/lean4/MANIFEST")))
+      :diverged ("occupancy-types_chora.deed" "docs/status/ROADMAP.adoc" "CLAUDE.md" "docs/architecture/REPOSITORY-MAP.adoc" "README.adoc" "CITATION.cff" "CHANGELOG.adoc" "LICENSE" "Justfile" ".gitignore" ".machine_readable/root-allow.txt" ".github/workflows/actions.lock" ".github/workflows/push-email-notify.yml" ".github/workflows/release.yml" ".github/workflows/sonarqube.yml" "docs/EXPLAINME.adoc" "scripts/check-no-md-in-docs.sh" "verification/proofs/idris2/MANIFEST" "verification/proofs/lean4/MANIFEST" "mise.toml")))
   ; provenance — what this repo was minted FROM. Written once, at mint,
   ; by build/just/repo-init.just. Tools that want "what is this repo" read
   ; the rest of the deed; tools that want "where did it come from" read this.
@@ -1112,8 +1112,8 @@
     :minted-at "2026-11-12"
     :template-repo "hyperpolymath/rsr-template-repo"
     :template-branch "main"
-    :template-commit "840ac2509f28a176fe7e2c991b909375654164dc"
-    :template-tree "a7e2cb8e1d6e868ed56f00effefb6417b396f6a7"
+    :template-commit "2f54c7b53cabb0b49c10a2653815e1a1ba9a730c"
+    :template-tree "1d693c668dd22ff03a05ba8a1b79f1ebf1577787"
     ; Contract: branches this repo is EXPECTED to carry beyond the default.
     ; Empty means default-only. A mint must never inherit template work
     ; branches (coderabbit/, chore/, bot-task or stale branches) — that is
diff --git a/scripts/uuid5-url.sh b/scripts/uuid5-url.sh
index 6eaebfa..ea3d4ce 100755
--- a/scripts/uuid5-url.sh
+++ b/scripts/uuid5-url.sh
@@ -15,9 +15,9 @@ set -euo pipefail
 [ $# -eq 1 ] || { echo "usage: uuid5-url.sh NAME" >&2; exit 2; }
 
 sha1() {
-    if command -v sha1sum >/dev/null 2>&1; then sha1sum
-    elif command -v shasum >/dev/null 2>&1; then shasum -a 1
-    elif command -v openssl >/dev/null 2>&1; then openssl dgst -sha1 -r
+    if command -v sha1sum >/dev/null 2>&1; then sha1sum # NOSONAR shell:S4790: RFC 9562 mandates SHA-1 for UUIDv5
+    elif command -v shasum >/dev/null 2>&1; then shasum -a 1 # NOSONAR shell:S4790: RFC 9562 mandates SHA-1 for UUIDv5
+    elif command -v openssl >/dev/null 2>&1; then openssl dgst -sha1 -r # NOSONAR shell:S4790: RFC 9562 mandates SHA-1 for UUIDv5
     else echo "uuid5-url.sh: needs sha1sum, shasum or openssl" >&2; return 2
     fi
 }
diff --git a/src/stackcert/lake-manifest.json b/src/stackcert/lake-manifest.json
index c2e1c8e..c18ab32 100644
--- a/src/stackcert/lake-manifest.json
+++ b/src/stackcert/lake-manifest.json
@@ -1,5 +1 @@
-{"version": "1.1.0",
- "packagesDir": ".lake/packages",
- "packages": [],
- "name": "stackcert",
- "lakeDir": ".lake"}
+{"lakeDir":".lake","name":"stackcert","packages":[],"packagesDir":".lake/packages","version":"1.1.0"}
diff --git a/tests/e2e/template_instantiation_test.sh b/tests/e2e/template_instantiation_test.sh
index ea253b1..9aebc59 100755
--- a/tests/e2e/template_instantiation_test.sh
+++ b/tests/e2e/template_instantiation_test.sh
@@ -91,8 +91,16 @@ log_pass "Template cloned to $TEST_REPO_PATH"
 # Local ignored agent state is not part of the template product. A filesystem
 # copy sees it anyway, unlike a real GitHub-template instantiation, and can make
 # the placeholder gate judge unrelated nested worktrees. Remove it from the
-# fixture before exercising the mint.
-rm -rf "$TEST_REPO_PATH/.claude"
+# fixture before exercising the mint. Remove only the IGNORED paths: tracked
+# files there (.claude/settings.json, .claude/hooks/) are template content, and
+# dropping them gives a tree that matches no template commit.
+git -C "$TEMPLATE_ROOT" ls-files -z --others --ignored --exclude-standard --directory -- .claude \
+    | (cd "$TEST_REPO_PATH" && xargs -0 -r rm -rf --)
+CLEAN_STATUS=("${PIPESTATUS[@]}")
+if [ "${CLEAN_STATUS[0]}" -ne 0 ] || [ "${CLEAN_STATUS[1]}" -ne 0 ]; then
+    log_error "could not remove ignored .claude/ state from the fixture"
+    exit 1
+fi
 
 # Remove .git directory for clean state, then re-init as the INSTANTIATED repo.
 #
diff --git a/tests/workflows/container_kyaml_test.sh b/tests/workflows/container_kyaml_test.sh
index 87ec2c4..fc2d44e 100644
--- a/tests/workflows/container_kyaml_test.sh
+++ b/tests/workflows/container_kyaml_test.sh
@@ -118,7 +118,7 @@ for port in 1 65535; do
     assert_value "$minted" '.services."demo-api".ports' "[\"$port:$port\"]" 'boundary port mapping'
     assert_value "$minted" '.services."demo-api".environment.APP_PORT' "\"$port\"" 'minted port remains a string'
     assert_value "$minted" '.services."demo-api".healthcheck.test' "[\"CMD\",\"curl\",\"-sf\",\"http://localhost:$port/health\"]" 'minted health URL'
-    assert_value "$minted" '.services.rokur.environment.ROKUR_BACKEND' "\"http://demo-api:$port\"" 'minted proxy backend'
+    assert_value "$minted" '.services.rokur.environment.ROKUR_BACKEND' "\"http://demo-api:$port\"" 'minted proxy backend' # NOSONAR shell:S5332: asserts an in-network compose backend URL fixture
     assert_value "$minted" '.services.rokur.depends_on."demo-api".condition' '"service_healthy"' 'minted dependency key'
     # A lookup alone also returns null for a missing key. Check membership
     # before its null value so a deleted volume declaration cannot pass.