diff --git a/docs/CURRENT-STATE.md b/docs/CURRENT-STATE.md
index cabc666ec..c84d878eb 100644
--- a/docs/CURRENT-STATE.md
+++ b/docs/CURRENT-STATE.md
@@ -3812,7 +3812,7 @@ Shipped locales: **en** (source and fallback), **de**, **es**, **fr**, **it**, *
 [`docs/TRANSLATORS.md`](./TRANSLATORS.md).
 
 - **Keys are the English text.** `t('Save keys')`, `tn(count, '{count} camera',
-'{count} cameras')`, and `msg('Live Flights')` for text stored in data and
+  '{count} cameras')`, and `msg('Live Flights')` for text stored in data and
   translated later. Markup opts in with `data-i18n` (element text) and
   `data-i18n-title` / `-aria-label` / `-placeholder` (that attribute's English
   value). English has no catalog; every other locale is
@@ -3924,6 +3924,7 @@ MLAT-positioned GPS loss, derived-field exclusions and the NIC 0 exception.
 anchors, recovery, keyboard and mobile states; emergency repainting is covered
 by `scripts/qa-emergency-squawk.mjs`. Both accept `--timeout-ms` for slow boot.
 
+
 Fire Perimeters uses capped, timed server reads with stale-on-error caching and a per-client limit. A stale snapshot is served for at most 24 hours; the layer row then reads STALE, dated by that snapshot's fetch, and `get_fire_perimeters` returns `stale` and `retrieved_at` with "(data may be stale)" in its summary. Unchanged snapshots retain geometry; link checks cancel on disable or selection change, and the row legend shows reported containment.
 
 Street Level is a docked, collapsible right-rail panel (`#street-level-panel`,
@@ -4089,7 +4090,8 @@ that does not answer in 20 s is asked once more, and one that is not a line
 list is not cached. A click on a line reaches
 `handlePick(id, {groundPoint})`, and the provider asks the core
 (`actions.openNearest`) for its nearest showable photo within 50 m, without
-framing: many photos are archived (their file answers 409, while a HEAD says 200) or have no file, so the six nearest are probed at once with a GET cut
+framing: many photos are archived (their file answers 409, while a HEAD says
+200) or have no file, so the six nearest are probed at once with a GET cut
 off at the headers, and where all are gone the panel says KartaView's photos
 there are archived. Only a definite answer (403/404/409/410, or 200) is
 remembered; a storage timeout or 5xx is asked again. The open photo's
@@ -5590,6 +5592,7 @@ Vite's development filesystem deny list excludes local `.gev-logs/` and
 dependency `dist/` assets. Checkout glob characters are escaped. This does not
 apply to `public/` assets or built-preview serving.
 
+
 - Recommended launcher: `./scripts/dev-fresh.sh` (also: `dev-secure.sh` for stricter bindings, `dev-cctv.sh` for CCTV source-pack tuning)
 - A successful Pinokio install writes the owner-only `pinokio/.installed`
   marker. The nested launcher menu resolves that marker from its own directory:
diff --git a/src/annotations/outlineRungs.js b/src/annotations/outlineRungs.js
index 5d8d3064b..485486d55 100644
--- a/src/annotations/outlineRungs.js
+++ b/src/annotations/outlineRungs.js
@@ -163,8 +163,14 @@ export function streetFootprint(street) {
   };
 }
 
+// Rungs built without their own tiles share one outline source, so a second
+// resolver instance cannot add another outline cache to the tile budget.
+let defaultOutlineTiles = null;
+const sharedOutlineTiles = () =>
+  (defaultOutlineTiles ??= createOpenFreeMapOutlineSource());
+
 export function createOutlineRungs({
-  tiles = createOpenFreeMapOutlineSource(),
+  tiles = sharedOutlineTiles(),
   nominatim = createNominatimOutlineClient(),
 } = {}) {
   /** Decoded tiles around a point, or null when the tiles cannot be read. */
diff --git a/src/annotations/outlineRungs.test.mjs b/src/annotations/outlineRungs.test.mjs
index dc789d951..945165e2a 100644
--- a/src/annotations/outlineRungs.test.mjs
+++ b/src/annotations/outlineRungs.test.mjs
@@ -154,6 +154,56 @@ test('a street comes from tiles before the configured ladder, as merged ribbons'
   assert.equal(nominatim.asks.length, 0, 'streets never reach Nominatim');
 });
 
+test('rungs built without their own tiles share one outline tile cache', async (t) => {
+  const tileRequests = [];
+  const bytes = (y) =>
+    readFileSync(
+      new URL(
+        `../data/fixtures/ofm-outlines-austin-14-3743-${y}.pbf`,
+        import.meta.url,
+      ),
+    );
+  t.mock.method(globalThis, 'fetch', async (url) => {
+    const href = String(url);
+    if (href.endsWith('/planet'))
+      return Response.json({
+        tiles: [
+          'https://tiles.openfreemap.org/planet/shared-test/{z}/{x}/{y}.pbf',
+        ],
+      });
+    tileRequests.push(href);
+    const y = href.match(/\/(\d+)\.pbf$/)?.[1];
+    return new Response(y === '6746' ? bytes(6746) : bytes(6745));
+  });
+  const ask = () =>
+    ctx({
+      scope: 'street',
+      target: 'Congress Avenue',
+      matchName: 'Congress Avenue',
+    });
+  const first = await createOutlineRungs({
+    nominatim: fakeNominatim(null),
+  }).resolve(ask(), ladder(UNAVAILABLE));
+  assert.ok(first.ring.length > 6);
+  const fetched = tileRequests.length;
+  assert.ok(fetched > 0);
+  const second = await createOutlineRungs({
+    nominatim: fakeNominatim(null),
+  }).resolve(ask(), ladder(UNAVAILABLE));
+  assert.ok(second.ring.length > 6);
+  assert.equal(
+    tileRequests.length,
+    fetched,
+    'a second rung set reuses the shared outline tiles',
+  );
+  const own = fixtureTiles();
+  await createOutlineRungs({
+    tiles: own,
+    nominatim: fakeNominatim(null),
+  }).resolve(ask(), ladder(UNAVAILABLE));
+  assert.equal(own.asked.length, 1, 'explicit tiles are still used');
+});
+
 test('a street the tiles do not name falls through to the ladder', async () => {
   const run = ladder(UNAVAILABLE);
   const result = await createOutlineRungs({
diff --git a/src/sources/featureGeometry.js b/src/sources/featureGeometry.js
index b2b93ee42..52ebfcefa 100644
--- a/src/sources/featureGeometry.js
+++ b/src/sources/featureGeometry.js
@@ -15,15 +15,18 @@ export function ringAreaM2(ring) {
 }
 
 /**
- * Join line pieces whose ends meet (within `toleranceM`) into as few chains as
- * possible. Each chain grows greedily from the first unused piece.
+ * Join line pieces whose ends meet (closer than `toleranceM`, or at most it
+ * when `inclusive`) into as few chains as possible. Each chain grows greedily
+ * from the first unused piece.
  */
 export function stitchLines(
   segments,
-  { toleranceM = 2, maxChains = Infinity } = {},
+  { toleranceM = 2, inclusive = false, maxChains = Infinity } = {},
 ) {
-  const same = (a, b) =>
-    approximateDistanceM(a[1], a[0], b[1], b[0]) < toleranceM;
+  const same = (a, b) => {
+    const d = approximateDistanceM(a[1], a[0], b[1], b[0]);
+    return inclusive ? d <= toleranceM : d < toleranceM;
+  };
   const remaining = segments.map((s) => s.slice());
   const chains = [];
   while (remaining.length && chains.length < maxChains) {
diff --git a/src/sources/openFreeMapOutlines.js b/src/sources/openFreeMapOutlines.js
index 9afe457b9..87d3a778e 100644
--- a/src/sources/openFreeMapOutlines.js
+++ b/src/sources/openFreeMapOutlines.js
@@ -383,7 +383,7 @@ export function streetFromTiles(
   if (!pieces.length) return null;
   const chains = stitchLines(
     pieces.filter((piece) => piece.length >= 2),
-    { toleranceM: JOIN_TOLERANCE_M },
+    { toleranceM: JOIN_TOLERANCE_M, inclusive: true },
   )
     .map((line) => ({ line, length: lengthM(line) }))
     .filter((entry) => entry.length >= STREET_MIN_CHAIN_M)
diff --git a/src/sources/openFreeMapOutlines.test.mjs b/src/sources/openFreeMapOutlines.test.mjs
index fb45a75e9..26e563e80 100644
--- a/src/sources/openFreeMapOutlines.test.mjs
+++ b/src/sources/openFreeMapOutlines.test.mjs
@@ -61,6 +61,14 @@ test('street names compare with abbreviations and a leading direction only', ()
   assert.ok(!streetNameMatches('कुल मार्ग', 'काली मार्ग'));
   assert.ok(streetNameMatches('काली मार्ग', 'काली मार्ग'));
   assert.ok(streetNameMatches('Champs-Élysées', 'Champs Elysees'));
+  // Japanese: dakuten and handakuten are kept, so these stay distinct.
+  assert.ok(!streetNameMatches('ハシ通り', 'バシ通り'));
+  assert.ok(!streetNameMatches('ハシ通り', 'パシ通り'));
+  assert.ok(streetNameMatches('表参道', '表参道'));
+  // Thai: vowel and tone marks are kept.
+  assert.ok(!streetNameMatches('ถนนสุขุมวิท', 'ถนนสุขมวท'));
+  assert.ok(!streetNameMatches('ถนนข้าวสาร', 'ถนนขาวสาร'));
+  assert.ok(streetNameMatches('ถนนสุขุมวิท', 'ถนนสุขุมวิท'));
 });
 
 test('same-name segments merge into polylines around the point (Congress Avenue)', () => {
@@ -112,6 +120,23 @@ test('merge joins reversed and out-of-order pieces and keeps gaps apart', () =>
     [0.011, 0],
   ]; // separate
   const chains = stitchLines([b, c, a], { toleranceM: 3 });
+
+  test('stitchLines joins at exactly the tolerance only when inclusive', () => {
+    const a = [
+      [0, 0],
+      [0.001, 0],
+    ];
+    const b = [
+      [0.00102, 0],
+      [0.002, 0],
+    ];
+    const gap = approximateDistanceM(0, 0.001, 0, 0.00102);
+    assert.equal(
+      stitchLines([a, b], { toleranceM: gap, inclusive: true }).length,
+      1,
+    );
+    assert.equal(stitchLines([a, b], { toleranceM: gap }).length, 2);
+  });
   assert.equal(chains.length, 2);
   assert.equal(chains.find((ch) => ch.length === 3).length, 3);
 });