fix(studio): Studio's own text reads without em or en dashes

docs/studio/animation.mdx

@@ -122,7 +122,7 @@ runtime expression, but it cannot always rewrite that source safely.
 
 - **Unroll to edit** rewrites supported helper- or loop-generated motion as
   explicit tweens that Studio can edit.
-- **Computed value — edit it in the Code tab** means the value must be changed
+- **Computed value. Edit it in the Code tab.**: the value must be changed
   in source.
 - When the intent is easier to state than the implementation, copy the element
   context to your agent and describe the result you want preserved.

package.json

@@ -26,7 +26,7 @@
     "sync-schemas:check": "tsx scripts/sync-schemas.ts --check",
     "sync:package-subpaths": "node scripts/package-subpaths.mjs --write",
     "check:package-subpaths": "node scripts/package-subpaths.mjs",
-    "lint": "bun run check:docs-snippet-motion && bun run check:tracked-artifacts && bun run check:workspace-contracts && bun run check:gcp-cloud-run-dockerfile && bun run check:package-cycles && bun run check:package-subpaths && bun run check:cli-process-ownership && oxlint . && tsx scripts/lint-skills.ts && node scripts/check-skill-mirror.mjs",
+    "lint": "bun run check:docs-snippet-motion && bun run check:studio-copy-dashes && bun run check:tracked-artifacts && bun run check:workspace-contracts && bun run check:gcp-cloud-run-dockerfile && bun run check:package-cycles && bun run check:package-subpaths && bun run check:cli-process-ownership && oxlint . && tsx scripts/lint-skills.ts && node scripts/check-skill-mirror.mjs",
     "check:gcp-cloud-run-dockerfile": "bun run --cwd packages/gcp-cloud-run test:dockerfile-workspaces",
     "lint:skills": "tsx scripts/lint-skills.ts",
     "check:skill-mirror": "node scripts/check-skill-mirror.mjs",
@@ -40,6 +40,7 @@
     "check:workspace-contracts": "node scripts/check-workspace-contracts.mjs",
     "check:package-cycles": "node scripts/check-package-cycles.mjs",
     "check:cli-process-ownership": "node scripts/check-cli-process-ownership.mjs",
+    "check:studio-copy-dashes": "node scripts/check-studio-copy-dashes.mjs",
     "format": "oxfmt .",
     "test": "bun run test:unit",
     "test:unit": "bun run --filter '*' test",
@@ -52,7 +53,7 @@
     "player:perf": "bun run --filter @hyperframes/player perf",
     "format:check": "oxfmt --check .",
     "knip": "knip",
-    "test:scripts": "node --import tsx --test scripts/animejs-v4-guidance.test.mjs scripts/check-tracked-artifacts.test.mjs scripts/check-registry-set-delta.test.mjs scripts/check-no-main-deletions.test.mjs scripts/check-pr-captures.test.mjs scripts/check-comment-citations.test.mjs scripts/comments-workflow.test.mjs scripts/comment-ratchet.test.mjs scripts/check-docs-snippet-motion.test.mjs scripts/registry-target-paths.test.mjs scripts/check-workspace-contracts.test.mjs scripts/check-media-use-copy-parity.test.mjs scripts/check-svg-sanitize-parity.test.mjs scripts/check-media-use-svg-sanitize-generated.test.mjs scripts/check-package-cycles.test.mjs scripts/check-cli-process-ownership.test.mjs scripts/check-large-files.test.mjs scripts/prune-fallow-audit-caches.test.mjs scripts/package-subpaths.test.mjs scripts/validate-release-channel.test.mjs scripts/clawhub-sync.test.mjs scripts/publish-workflow.test.mjs scripts/pr-edit-concurrency.test.mjs scripts/merge-queue-workflows.test.mjs scripts/install-workspace-dependencies.test.mjs scripts/draft-changelog.test.ts scripts/set-version.test.ts scripts/release-prepare.test.ts scripts/cli-options.test.ts scripts/changelog-weekly.test.ts scripts/claude-plugin-compression.test.ts scripts/catalog-payload-assets.test.ts scripts/host-registry-assets.test.ts scripts/catalog-preview-temp.test.ts scripts/backfill-block-previews.test.ts scripts/catalog-hosted-files.test.ts scripts/player-cdn-pin.test.ts scripts/studio-runtime-smoke.test.mjs scripts/verify-packed-manifests.test.mjs scripts/lint-skills.test.mjs scripts/creator-editing-recipes.test.mjs packages/gcp-cloud-run/check-dockerfile-workspaces.test.mjs packages/core/scripts/writeGeneratedFile.test.ts scripts/catalog-publication.test.mjs scripts/ci/resolve-workflow-pr.test.mjs scripts/ci/base-file.test.mjs scripts/check-catalog-source-pr.test.mjs scripts/generate-registry-items.test.ts scripts/catalog-drift.test.ts scripts/catalog-fetch-mirror.test.ts scripts/catalog-script-inlining.test.ts scripts/catalog-detail.test.ts scripts/generate-catalog-pages.test.ts scripts/verify-catalog-payloads.test.ts scripts/registry-skill-files.test.ts scripts/creator-editing-capabilities.test.mjs scripts/generate-catalog-previews.test.ts scripts/registry-primitive-payloads.test.ts registry/components/pan-stations/pan-stations.test.mjs && vitest run scripts/catalog/ scripts/contrastRatchet.test.ts scripts/generate-catalog-payloads.test.ts",
+    "test:scripts": "node --import tsx --test scripts/animejs-v4-guidance.test.mjs scripts/check-tracked-artifacts.test.mjs scripts/check-registry-set-delta.test.mjs scripts/check-no-main-deletions.test.mjs scripts/check-pr-captures.test.mjs scripts/check-comment-citations.test.mjs scripts/comments-workflow.test.mjs scripts/comment-ratchet.test.mjs scripts/check-docs-snippet-motion.test.mjs scripts/registry-target-paths.test.mjs scripts/check-workspace-contracts.test.mjs scripts/check-media-use-copy-parity.test.mjs scripts/check-svg-sanitize-parity.test.mjs scripts/check-media-use-svg-sanitize-generated.test.mjs scripts/check-package-cycles.test.mjs scripts/check-cli-process-ownership.test.mjs scripts/check-studio-copy-dashes.test.mjs scripts/check-large-files.test.mjs scripts/prune-fallow-audit-caches.test.mjs scripts/package-subpaths.test.mjs scripts/validate-release-channel.test.mjs scripts/clawhub-sync.test.mjs scripts/publish-workflow.test.mjs scripts/pr-edit-concurrency.test.mjs scripts/merge-queue-workflows.test.mjs scripts/install-workspace-dependencies.test.mjs scripts/draft-changelog.test.ts scripts/set-version.test.ts scripts/release-prepare.test.ts scripts/cli-options.test.ts scripts/changelog-weekly.test.ts scripts/claude-plugin-compression.test.ts scripts/catalog-payload-assets.test.ts scripts/host-registry-assets.test.ts scripts/catalog-preview-temp.test.ts scripts/backfill-block-previews.test.ts scripts/catalog-hosted-files.test.ts scripts/player-cdn-pin.test.ts scripts/studio-runtime-smoke.test.mjs scripts/verify-packed-manifests.test.mjs scripts/lint-skills.test.mjs scripts/creator-editing-recipes.test.mjs packages/gcp-cloud-run/check-dockerfile-workspaces.test.mjs packages/core/scripts/writeGeneratedFile.test.ts scripts/catalog-publication.test.mjs scripts/ci/resolve-workflow-pr.test.mjs scripts/ci/base-file.test.mjs scripts/check-catalog-source-pr.test.mjs scripts/generate-registry-items.test.ts scripts/catalog-drift.test.ts scripts/catalog-fetch-mirror.test.ts scripts/catalog-script-inlining.test.ts scripts/catalog-detail.test.ts scripts/generate-catalog-pages.test.ts scripts/verify-catalog-payloads.test.ts scripts/registry-skill-files.test.ts scripts/creator-editing-capabilities.test.mjs scripts/generate-catalog-previews.test.ts scripts/registry-primitive-payloads.test.ts registry/components/pan-stations/pan-stations.test.mjs && vitest run scripts/catalog/ scripts/contrastRatchet.test.ts scripts/generate-catalog-payloads.test.ts",
     "typecheck:scripts": "tsc --noEmit -p scripts/tsconfig.json",
     "test:skills": "HYPERFRAMES_MEDIA_HOME_REQUIRED=1 node --import ./packages/cli/scripts/test-home.mjs --test 'skills/**/*.test.mjs' 'packages/cli/src/media-use/**/*.test.mjs'",
     "generate:previews": "tsx scripts/generate-template-previews.ts",

packages/cli/src/utils/checkBrowser.test.ts

@@ -450,7 +450,7 @@ it("surfaces the runtime's web-audio-bypass console.info line as its own info fi
     "info",
     '[hyperframes] runtime_web_audio_bypass: "https://cdn.example.com/track.mp3" ' +
       "(cross_origin_no_cors): Web Audio capture withheld; the track plays through native " +
-      "HTMLMediaElement output. Native playback cannot reproduce: fx-chain — proxy or download " +
+      "HTMLMediaElement output. Native playback cannot reproduce: fx-chain. Fix: proxy or download " +
       "the asset to a same-origin URL to keep it.",
   );
   const authorInfo = fakeConsoleMessage("info", "debug runtime_web_audio_bypass lookalike");

packages/core/src/audio/audioFxWorklets.ts

@@ -18,7 +18,7 @@ const dbToLin = (db) => Math.pow(10, db / 20);
  * Per channel matters: the followers advance once per sample, so a single shared
  * follower stepped once per channel per sample. On stereo that ran a 20 ms attack
  * as 10 ms, and gave the right channel a gain computed from an envelope that had
- * already traversed the left — so the two channels ducked by different amounts
+ * already traversed the left, so the two channels ducked by different amounts
  * from the same input and the image pumped.
  */
 class EnvBank {
@@ -230,7 +230,7 @@ function readTap(ring, write, delaySamples) {
   return ring[i0] * (1 - frac) + ring[i1] * frac;
 }
 
-/** Equal-power-ish crossfade, zero at a tap's reset point — hides the splice. */
+/** Equal-power-ish crossfade, zero at a tap's reset point, which hides the splice. */
 function xfade(phase) {
   return Math.sin(Math.PI * phase);
 }
@@ -242,7 +242,7 @@ function xfade(phase) {
  * out, which hides the splice each tap makes when it wraps.
  *
  * write/phase are block-level state, advanced once per SAMPLE across all
- * channels together (not once per channel) — advancing them inside the
+ * channels together (not once per channel). Advancing them inside the
  * per-channel loop would move the tap 2x/4x too fast on a stereo/quad input.
  */
 class HfPitchshift extends AudioWorkletProcessor {
@@ -255,13 +255,13 @@ class HfPitchshift extends AudioWorkletProcessor {
     this.phase = 0;
     // Samples written so far, capped at one grain. The taps read up to a grain
     // behind the write head, so until this fills they would read the ring's
-    // zeros — the head of every clip came out attenuated or silent.
+    // zeros, so the head of every clip came out attenuated or silent.
     this.filled = 0;
     // How much of the wet (pitch-shifted) path is currently in the output, and
     // where it is heading. Crossing between dry and wet is a ~50 ms jump in the
     // signal, so it is RAMPED rather than switched: a hard swap either way is a
     // click. Ramping in both directions is also what lets a node return to true
-    // bypass at semitones 0 — a one-way latch left preview stuck with the delay
+    // bypass at semitones 0. A one-way latch left preview stuck with the delay
     // that the render, building a fresh node from the attribute, does not have.
     this.wet = 0;
     this.wetTarget = 0;
@@ -289,7 +289,7 @@ class HfPitchshift extends AudioWorkletProcessor {
 
     // Nothing to shift, or mixed fully out. The grain delay is ~grain/2
     // whatever the ratio, so at semitones=0 this degenerated into a pure 50 ms
-    // delay of the signal — while the copy for that exact setting reads
+    // delay of the signal, while the copy for that exact setting reads
     // "Unchanged pitch".
     this.wetTarget = semitones === 0 ? 0 : mix;
 
@@ -368,7 +368,7 @@ export function ensureAudioFxWorklets(ctx: BaseAudioContext): Promise<void> {
     modulePromise = (async () => {
       if (!ctx.audioWorklet) {
         throw new Error(
-          "AudioWorklet is unavailable — the page needs a secure context (https, localhost or file://)",
+          "AudioWorklet is unavailable: the page needs a secure context (https, localhost or file://)",
         );
       }
       // A data: URL rather than a blob:, because a blob inherits the page origin

packages/core/src/audioFx.ts

@@ -103,7 +103,7 @@ const freq = (
   automatable: true,
 });
 
-const qParam = (def = 0.707, hint = "Bandwidth — higher is narrower."): HfAudioFxNumberParam => ({
+const qParam = (def = 0.707, hint = "Bandwidth: higher is narrower."): HfAudioFxNumberParam => ({
   kind: "number",
   key: "q",
   label: "Q",
@@ -187,15 +187,15 @@ export const HF_AUDIO_FX: readonly HfAudioFxDef[] = [
     id: "highpass",
     label: "High-pass",
     group: "filter",
-    description: "Remove low frequencies — the usual fix for rumble on a voice.",
+    description: "Remove low frequencies: the usual fix for rumble on a voice.",
     params: [freq("frequency", "Cutoff", 300, 20, 20000), qParam(0.707), poles],
     web: "biquad-highpass",
   },
   {
     id: "lowpass",
     label: "Low-pass",
     group: "filter",
-    description: "Remove high frequencies — darkens or muffles a track.",
+    description: "Remove high frequencies, which darkens or muffles a track.",
     params: [freq("frequency", "Cutoff", 8000, 100, 20000), qParam(0.707), poles],
     web: "biquad-lowpass",
   },
@@ -288,7 +288,7 @@ export const HF_AUDIO_FX: readonly HfAudioFxDef[] = [
     id: "limiter",
     label: "Limiter",
     group: "dynamics",
-    description: "Hard ceiling — nothing gets past the limit.",
+    description: "Hard ceiling: nothing gets past the limit.",
     params: [
       {
         kind: "number",
@@ -490,7 +490,7 @@ export const HF_AUDIO_FX: readonly HfAudioFxDef[] = [
         max: 250,
         step: 1,
         default: 1,
-        hint: "Repeats each sample N times — a crude downsample.",
+        hint: "Repeats each sample N times, a crude downsample.",
       },
       {
         kind: "number",

packages/core/src/audioFxCopy.ts

@@ -63,7 +63,7 @@ export const EFFECT_COPY: Record<string, EffectCopy> = {
   },
   highpass: {
     title: "Remove Rumble",
-    does: "Cuts the very bottom — traffic, footsteps, air conditioning, hands on the mic.",
+    does: "Cuts the very bottom: traffic, footsteps, air conditioning, hands on the mic.",
     reachFor: "There's a low hum or thump under everything.",
     primary: "frequency",
     primaryEnds: { low: "Only the deepest", high: "Thins it out" },
@@ -94,7 +94,7 @@ export const EFFECT_COPY: Record<string, EffectCopy> = {
   peaking: {
     title: "Shape One Range",
     does: "Lifts or lowers one part of the sound and leaves the rest alone.",
-    reachFor: "One quality is wrong — boomy, boxy, harsh — but the rest is fine.",
+    reachFor: "One quality is wrong (boomy, boxy, harsh) but the rest is fine.",
     primary: "gain",
     primaryEnds: { low: "Take it out", high: "Bring it forward" },
     band: [20, 20000],
@@ -168,15 +168,15 @@ export const EFFECT_COPY: Record<string, EffectCopy> = {
   },
   gate: {
     title: "Silence the Gaps",
-    does: "Mutes the pauses. Whatever sits underneath stays — this closes the gaps, it does not remove noise.",
+    does: "Mutes the pauses. Whatever sits underneath stays: this closes the gaps, it does not remove noise.",
     reachFor: "You can hear the room in the gaps.",
     primary: "strength",
     primaryEnds: { low: "Only true silence", high: "Cuts quiet parts too" },
     params: {
       threshold: { label: "Quieter than this is a gap" },
       range: {
         label: "How far to duck the gaps",
-        hint: "Not all the way down, usually — total silence sounds broken.",
+        hint: "Not all the way down, usually. Total silence sounds broken.",
       },
       ratio: { label: "How hard" },
       attack: { label: "How fast it opens" },
@@ -394,7 +394,7 @@ export const SUMMARY: Record<string, (p: P) => string> = {
       ? "Doing nothing yet"
       : `${n(p.gain) > 0 ? "More" : "Less"} sparkle above ${hz(p.frequency)}`,
   compressor: (p) =>
-    `Evening out — ${strength(Math.min(1, (n(p.ratio, 3) - 1) / 7), ["gentle", "moderate", "firm"])}`,
+    `Evening out, ${strength(Math.min(1, (n(p.ratio, 3) - 1) / 7), ["gentle", "moderate", "firm"])}`,
   limiter: (p) => `Nothing louder than ${n(p.limit, -1)} dB`,
   gate: (p) => `Closing gaps quieter than ${n(p.threshold, -45)} dB`,
   saturate: (p) =>

packages/core/src/audioFxEq.ts

@@ -183,7 +183,7 @@ export function removeAudioEq(chain: HfAudioFxChain, eqId: string): HfAudioFxCha
  */
 export function audioEqSummary(bands: readonly HfAudioEqBand[]): string {
   const moved = bands.filter((b) => Math.abs(b.gain) >= 0.1);
-  if (moved.length === 0) return "Flat — nothing changed yet";
+  if (moved.length === 0) return "Flat: nothing changed yet";
   return moved
     .map((b) => `${b.name} ${b.gain > 0 ? "+" : "−"}${Math.abs(Number(b.gain.toFixed(1)))}`)
     .join(", ");

packages/core/src/audioFxJobs.ts

@@ -51,7 +51,7 @@ export const HF_AUDIO_FX_JOBS: readonly HfAudioFxJob[] = [
   {
     id: "tame-boominess",
     label: "Tame Boominess",
-    does: "Too much low-end body — it booms.",
+    does: "Too much low-end body, so it booms.",
     type: "peaking",
     params: { frequency: 200, gain: -4, q: 1.4 },
   },
@@ -72,7 +72,7 @@ export const HF_AUDIO_FX_JOBS: readonly HfAudioFxJob[] = [
   {
     id: "add-clarity",
     label: "Add Clarity",
-    does: "It is hard to make out — it sits back.",
+    does: "It is hard to make out because it sits back.",
     type: "peaking",
     params: { frequency: 3000, gain: 2.5, q: 1 },
   },