diff --git a/obsidian/pass1-compass-changelog.json b/obsidian/pass1-compass-changelog.json
new file mode 100644
index 0000000..2d00726
--- /dev/null
+++ b/obsidian/pass1-compass-changelog.json
@@ -0,0 +1,74 @@
+[
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+  "after": "linked_daily_note: \"[[2025-06-08]]\""
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+  "after": "related: \"[[2025-07-15]]\""
+ },
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+  "after": "version: \"2025.09\""
+ },
+ {
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+  "after": "languages: en"
+ },
+ {
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+ },
+ {
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+ {
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+  "after": "version: \"2.1\""
+ }
+]
\ No newline at end of file
diff --git a/obsidian/vault-frontmatter-pass1-changelog-2026-08-19.json b/obsidian/vault-frontmatter-pass1-changelog-2026-08-19.json
new file mode 100644
index 0000000..a930aa5
--- /dev/null
+++ b/obsidian/vault-frontmatter-pass1-changelog-2026-08-19.json
@@ -0,0 +1,650 @@
+[
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+  "section": "\u00a71",
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+  "file": "08. Notes/Tools & Workflow/Travel_Power_Kit_Evergoods_1L.md",
+  "line": 8,
+  "before": "version: 1.2",
+  "after": "version: \"1.2\"",
+  "what": "version quoted to str"
+ },
+ {
+  "section": "\u00a72",
+  "file": "97. Tools and Systems/02. Workflows & Promptcraft/GPT_Promptcraft_Framework.md",
+  "line": 4,
+  "before": "version: 1.0",
+  "after": "version: \"1.0\"",
+  "what": "version quoted to str"
+ },
+ {
+  "section": "\u00a73",
+  "file": "98. Templates/PPP_Template.md",
+  "line": 3,
+  "before": "created: {{date:YYYY-MM-DD}}",
+  "after": "created: \"{{date:YYYY-MM-DD}}\"",
+  "what": "template YAML validity"
+ },
+ {
+  "section": "\u00a73",
+  "file": "98. Templates/PPP_Template.md",
+  "line": 6,
+  "before": "related: [[P3 Pattern Index]], [[Pattern, Presence, Practice base document]]",
+  "after": "related: [\"[[P3 Pattern Index]]\", \"[[Pattern, Presence, Practice base document]]\"]",
+  "what": "template YAML validity"
+ },
+ {
+  "section": "\u00a73",
+  "file": "98. Templates/Tasting_Log_Template_Dataview.md",
+  "line": 2,
+  "before": "date: {{date}}",
+  "after": "date: \"{{date}}\"",
+  "what": "template YAML validity"
+ },
+ {
+  "section": "\u00a73",
+  "file": "98. Templates/Tasting_Log_Template_With_Blend.md",
+  "line": 2,
+  "before": "date: {{date}}",
+  "after": "date: \"{{date}}\"",
+  "what": "template YAML validity"
+ },
+ {
+  "section": "\u00a73",
+  "file": "98. Templates/Weekly_Coffee_Journal_Template.md",
+  "line": 2,
+  "before": "week_of: {{date:YYYY-MM-DD}}",
+  "after": "week_of: \"{{date:YYYY-MM-DD}}\"",
+  "what": "template YAML validity"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Currently reading/A Philosophy of Walking.md",
+  "line": 7,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Currently reading/Angelmaker.md",
+  "line": 7,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Currently reading/Essayism.md",
+  "line": 7,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Currently reading/Insomniac Dreams Experiments With Time.md",
+  "line": 5,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Currently reading/M\u00e9moires d'Hadrien Marguerite Yourcenar.md",
+  "line": 5,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Currently reading/Sol\u00e9no\u00efde.md",
+  "line": 5,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Currently reading/The Canterbury Tales A Retelling.md",
+  "line": 5,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Currently reading/The Gone-Away World.md",
+  "line": 5,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Reading lists/2025-08-24 Fiction Suggestions after Angelmaker & Piranesi.md",
+  "line": 7,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Reading lists/2025-08-24 Master reading list.md",
+  "line": 7,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Reading lists/2025-08-24 Missing Pillars Reading List.md",
+  "line": 6,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Reading lists/Christopher Alexander's Published Works.md",
+  "line": 6,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Reading lists/Chuck Wendig reading list.md",
+  "line": 6,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Reading lists/Comprehensive Science Reading List - From Cosmos to Consciousness.md",
+  "line": 3,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Reading lists/Foundational thinkers.md",
+  "line": 8,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Reading lists/Reading List \u2014 L\u00e1szl\u00f3 Krasznahorkai.md",
+  "line": 7,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Reading lists/To find and add to library.md",
+  "line": 3,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ },
+ {
+  "section": "\u00a72",
+  "file": "99. Archive/07. Reading/Reading lists/Virginia_Woolf_Reading_List.md",
+  "line": 8,
+  "before": "superseded_by: [[Master_Reading_Index]]",
+  "after": "superseded_by: \"[[Master_Reading_Index]]\"",
+  "what": "nested-list \u2192 quoted link (superseded_by)"
+ }
+]
\ No newline at end of file
diff --git a/obsidian/vault-frontmatter-pass1-followups-2026-08-19.md b/obsidian/vault-frontmatter-pass1-followups-2026-08-19.md
new file mode 100644
index 0000000..021b09c
--- /dev/null
+++ b/obsidian/vault-frontmatter-pass1-followups-2026-08-19.md
@@ -0,0 +1,93 @@
+---
+name: obsidian-vault-frontmatter-pass1-followups-2026-08-19
+description: Read-only surfacing of the four items held back from frontmatter pass 1 — the 8 assurance strings, the prose tag, the three shape-disagreeing pairs, and the canonical path/flag split. Nothing decided, nothing changed.
+type: reference
+---
+
+# Pass 1 follow-ups — surfaced, not decided
+
+2026-08-19, at the jurist's request. **Read-only. No vault file was changed by this pass.**
+
+## 1 · The 8 `assurance` strings
+
+| value | note |
+|---|---|
+| `medium` | 08. Notes/Reflections/Parmenides Opening Fragment |
+| `high` | 08. Notes/Tools & Workflow/Travel_Power_Kit_Evergoods_1L |
+| `high` | 07. Learn/Reading/00. Master_Reading_Index |
+| `high` | 07. Learn/Reading/01. Polestars/Berger — Ways of Seeing |
+| `high` | 07. Learn/Reading/01. Polestars/Bachelard — The Poetics of Space |
+| `high` | 07. Learn/Reading/01. Polestars/Alexander — The Timeless Way |
+| `high` | 07. Learn/Reading/01. Polestars/Tolkien — The Long Road and the Ring |
+| `high` | 99. Archive/07. Reading/Reading lists/Reading List — László Krasznahorkai |
+
+Seven `high`, one `medium`. Five of eight are the Reading polestars — one cluster, one habit, not
+eight independent decisions. The dict form's `evidence_level` takes a *kind* vocabulary
+(experiential · design · practice · strong · mixed · cohort · narrative), so `high`/`medium` is a
+**confidence scale that the dict has no slot for**.
+
+## 2 · The prose `tag`
+
+- **Note:** `08. Notes/CapableMind/thinking-mirror/agent-circles/agent-circle-ARC-survey-2026-04-23.md`
+- **Value:** `tag: survey / scoping material; no spec commitments`
+- **Other keys:** `created`, `status`, `origin`, `related`, `steward`, `executor-action`
+- **Has no `tags` key at all.**
+
+It is a scope disclaimer written into the key named `tag`. Nothing about it is a tag.
+
+## 3 · The three pairs — same question as `note`/`notes`
+
+**`domains` / `domain` — ONE thing, inconsistently typed.** Both classify the same way; the plural
+is used where there are several values and the singular where there is one.
+- `domain` (5): `personal_care` ×3, `language-ecology`, `beverage-ecology`
+- `domains` (2): `[historically_informed_performance, violin_and_viola_technique, …]`, `[music, pedagogy, philosophy]`
+
+**`periods` / `period` — TWO things.**
+- `period` (6) is a **date range as prose**: `1912–1922` · `c. 800–400 BCE` · `2024-01-04 to 2024-02-05`
+- `periods` (1) is a **structured schedule**: `[{name: Late Autumn 2025, months: [...], ...}]`
+
+**`linked_note` / `linked_notes` — two things, and the singular belongs to a third key.**
+- `linked_notes` (2) is a list of note names: `[00_Historical_Disease_Profiles_Index, Vaccination Conversations Index]`
+- `linked_note` (1) is `[[2025-06-12]]` on a coffee log — **a daily-note link**, which is what
+  `linked_daily_note` (2 notes) already means. Its nearest neighbour is not the key it was proposed
+  to merge into.
+
+## 4 · `canonical` — what it actually is, across 161 notes
+
+| form | count |
+|---|---|
+| path-like string | **157** |
+| real YAML boolean (`true`) | 3 |
+| `'INDEX.yml'` (points at a non-markdown file) | 1 |
+
+**The semantic split — the jurist's question.** Read by whether the value names the note's own file:
+
+| reading | count |
+|---|---|
+| **self-descriptive** — names its own basename: *"I am canonical, and I live here"* | **91** |
+| **pointer** — names a *different* note: *"the canonical version is over there"* | **66** |
+| **pure flag** — bare `true`, no address | 3 |
+
+So the key carries at least three jobs, and the two large ones are not variants of each other: one
+is a self-assertion of authority, the other is a redirect away from it. A query filtering
+`WHERE canonical` would treat all three as true.
+
+**Pointer integrity, tested at four strictnesses:**
+
+| | count |
+|---|---|
+| exact path match — correct as written | **6** |
+| case-insensitive match only | 0 |
+| **basename exists, path is wrong** (note moved) | **88** |
+| **unresolvable — no note of that name anywhere** | **63** |
+
+⚠ **A correction to what the executor reported earlier today.** The first pass at this used an
+exact-path matcher and reported *"151 do not resolve"*. That number is right about the **paths** and
+wrong about the **notes**: 88 of the 151 name a note that still exists at a different location. The
+honest statement is **151 of 157 paths are stale as written, and 63 name nothing at all** — the
+field is *stale*, not *dead*, and those are different problems with different remedies. The error
+was a resolver too strict for the claim it was being cited for; caught by testing the resolver
+before quoting its output.
+
+**Not proposed, not decided.** Recorded so the governance-block conversation starts from the
+substrate rather than from the census.