site: cut the template's own labels out of the pages

Point 7 of the page-wording review. The pages no longer show their data
structure as headings, and they no longer explain their own conventions.

- Level 1 is one screen: claim, status badge, three figures, the technology
  row, and one sentence carrying one link. Measured in headless Chrome at
  1440x900: 1404-1845 px tall before, exactly 900 px (no scroll) after, on
  all six area pages.
- DocPage: no kicker line, no visible level label, no "Evidence for this
  page" heading or instruction note, no "Drill-downs" list, no
  "Status <word> - sentence" footer. The artefact table starts at level 2,
  under the heading "Artefacts"; the history timeline is level 2 only.
- Landing page: "Start here" link text gone, "How to read this site" panel
  gone, the footer's status-label explainer gone.
- Content, presentation only, no claim softened: the leading H1 that
  duplicated the page title removed from all 41 documents; level 1 bodies
  reduced to the constraint as ordinary prose plus the way in;
  "**Status: ...**" prefixes removed from the artefact stubs; "## Drill-downs"
  and "## Period and confidence" removed from the level 2 pages, with the
  cross-area links moved into the prose.
- The six level 1 claims are now sentences with a subject, and use commas
  instead of middots. Same facts, no new ones.

Not in this commit: the 35 level 2 and 3 claims still use the compact CV
style. That is a voice decision for Sam, not a wording tidy-up.

make validate: 41 documents, 0 violations. go test ./...: pass.

(cherry picked from commit 03009f80fc7815ad7719412e125df9297a6e653f)

content/about/about-narrative.md

@@ -49,7 +49,7 @@ The honest framing is in the evidence notes and is repeated here: *full-time par
 
 ## What next
 
-The same three areas at a larger scale: AI and agentic systems, the platform engineering underneath them, and the constrained devices at the edge. Melbourne based and flexible about location and format — remote, hybrid, office, or travel.
+The same three areas at a larger scale: [AI and agentic systems](../ai/ai-systems.md), the [platform engineering underneath them](../platform/platform-estate.md), and the [constrained devices at the edge](../edge/edge-fleet.md). Melbourne based and flexible about location and format — remote, hybrid, office, or travel.
 
 ## Contact policy
 
@@ -60,16 +60,3 @@ This site publishes no address, no phone number and no family details. Contact i
 - **No computer science degree.** The trade is a longer, broader practical education; the pages on this site are the argument, not the certificate.
 - **A period of self-employment is described as such.** It is not dressed up as a sabbatical or as consulting.
 - **Interests are one honest sentence each.** The previous version of this site invented venues and results. That has been deleted rather than corrected in place.
-
-## Drill-downs
-
-- [Non-IT working history](l3/about-non-it-work.md) — level 3
-- [Education](l3/about-education.md) — level 3
-- [Interests — one honest line each](l3/about-interests.md) — level 3
-- [The AI estate](../ai/ai-systems.md) — level 2
-- [The platform estate](../platform/platform-estate.md) — level 2
-- [The edge fleet](../edge/edge-fleet.md) — level 2
-
-## Period and confidence
-
-`period: 1999–`. Confidence is `running`: this is the current self-description, verified against the evidence notes on 2026-10-26.

content/about/about-overview.md

@@ -3,7 +3,7 @@ id: about-overview
 area: about
 level: 1
 title: "About"
-claim: "Twenty-five years of shipping software — built through self-teaching · a non-IT working life · and five years overseas — now aimed at AI systems · the platforms under them and the devices at the edge."
+claim: "Sam has shipped software for twenty-five years — self-taught, through a non-IT working life and five years overseas — and now builds AI systems, the platforms under them and the devices at the edge."
 confidence: running
 period: "1999–"
 tech: [NixOS, Neovim, Python, JavaScript, React, Go, HTMX]
@@ -13,13 +13,4 @@ public: true
 last_verified: 2026-10-26
 tags: [about, narrative, background]
 ---
-
-# About
-
-**Claim.** A career built by self-teaching — from a childhood in the 1980s with a borrowed language reference, through fifteen years of agency delivery, a working life outside technology, and five years overseas — now concentrated on AI systems, the platforms they run on, and the hardware at the edge.
-
-**Status.** Current. Melbourne based, and flexible about how the work is done — remote, hybrid, office, or travel.
-
-**What this page is for.** The other five areas prove what can be built. This one explains where the judgement came from: a non-technical working life, a fine-arts and philosophy education, and a period spent building a business while raising two children.
-
-**Start here.** [The narrative](about-narrative.md) — including an honest account of 2020 to 2026.
+The other five areas prove what can be built; this one explains where the judgement came from. The narrative, including 2020 to 2026, is on the [narrative page](about-narrative.md).

content/about/l3/about-education.md

@@ -14,9 +14,7 @@ last_verified: 2026-10-26
 tags: [about, education, artefact]
 ---
 
-# Artefact — Education
-
-**Status: stub.** Formal presentation lands in Phase 7. No certificates, transcripts or student identifiers are published.
+Formal presentation lands in Phase 7. No certificates, transcripts or student identifiers are published.
 
 ## The record
 

content/about/l3/about-interests.md

@@ -14,9 +14,7 @@ last_verified: 2026-10-26
 tags: [about, interests, artefact]
 ---
 
-# Artefact — Interests · one honest line each
 
-**Status: stub for the visual treatment.**
 
 ## Music
 Blues and jazz piano and blues harp; played in two bands. Studied music composition at university and kept the piano as the thing that resets the week.

content/about/l3/about-non-it-work.md

@@ -14,9 +14,7 @@ last_verified: 2026-10-26
 tags: [about, history, work, artefact]
 ---
 
-# Artefact — Non-IT working history
-
-**Status: stub for the visual treatment.** The roles are final; the presentation lands in Phase 7.
+The roles are final; the presentation lands in Phase 7.
 
 ## The roles