diff --git a/evals/tts-speech-formula/README.md b/evals/tts-speech-formula/README.md
index acfad429c7..011c1fca39 100644
--- a/evals/tts-speech-formula/README.md
+++ b/evals/tts-speech-formula/README.md
@@ -141,7 +141,7 @@ Each case gets three listener answers. The case passes with a strict majority.
 
 Each answer also has a hearing status: `ok`, `partial`, or `unclear`. The listener sets it through structured output. An `unclear` vote scores 0 with the grading rule `unclear`, so a report tells an unintelligible clip apart from a wrong reading. The `tts_speech_formula.hearing` metric is the status of most votes.
 
-Each case also gets three judge verdicts on the spoken text: `natural`, `mixed`, or `spelled`. The judge never sees the answer of the listener and never judges correctness. The case takes the median verdict as the `tts_speech_formula.reading` metric, and records its score as the vieval `judge` score. The judge reads the spoken text, not the ASR transcript, so ASR errors do not count against the test object.
+Each case also gets three judge verdicts on the spoken text: `natural`, `mixed`, or `spelled`. The judge never sees the answer of the listener and never judges correctness. The case takes the median verdict as the `tts_speech_formula.reading` metric, and records its score as `formula.natural`. The judge reads the spoken text, not the ASR transcript, so ASR errors do not count against the test object.
 
 ### Judge calibration
 
@@ -150,11 +150,13 @@ A person labels a fixed set of readings, and the share of labels that the judge
 the verdicts of the judge.
 
 1. After a change of the judge prompt, run the eval on the cases of the set, then refresh the verdicts with
-   `pnpm -F @proj-airi/evals-tts-speech-formula run judge:collect`. It keeps the set. `-- --pick` picks a new one.
-2. Label with `pnpm -F @proj-airi/evals-tts-speech-formula run judge:label`. It opens a local page on port 5299. Keys
-   1, 2, and 3 choose natural, mixed, and spelled. The verdict of the judge shows after the label.
+   `pnpm -F @proj-airi/evals-tts-speech-formula run judge:collect`. It keeps the set and prints how many labels the
+   judge matches. `-- --pick` picks a new set and keeps the labeled readings.
+2. To label a reading, set its `label` in `calibration.json` to `natural`, `mixed`, or `spelled`. `note` says why.
 
 On 2026-10-20 the judge matched 31 of 43 labels (72%). After the prompt took the labels into account, it matched 34 (79%).
+On 2026-10-21, after the eval review changed the prompt and the readings, it matched 32 (74%). Three labeled readings
+have new words since, so they keep an older verdict.
 
 The `tts_speech_formula.leftover_notation` metric counts the symbols and LaTeX command names that a test object left in its spoken text, for example `^`, `/`, `$`, or `mapsto`. It needs no TTS. The test `eval/test-objects/rule/src/read-aloud.test.ts` lists these leftovers of the rule engine for every case, without any model call.
 
diff --git a/evals/tts-speech-formula/eval/cases/math-bridge/fetch.ts b/evals/tts-speech-formula/eval/cases/math-bridge/fetch.ts
index 84c522242e..5783a01bc2 100644
--- a/evals/tts-speech-formula/eval/cases/math-bridge/fetch.ts
+++ b/evals/tts-speech-formula/eval/cases/math-bridge/fetch.ts
@@ -10,8 +10,9 @@ import { fileURLToPath } from 'node:url'
 import katex from 'katex'
 
 import { DuckDBDataProtocol } from '@duckdb/duckdb-wasm'
-import { connect } from '@proj-airi/duckdb-wasm'
-import { getBundles } from '@proj-airi/duckdb-wasm/bundles/default-node'
+import { connect, drizzle } from '@proj-airi/drizzle-duckdb-wasm'
+import { getBundles } from '@proj-airi/drizzle-duckdb-wasm/bundles/default-node'
+import { sql } from 'drizzle-orm'
 
 import 'katex/contrib/mhchem'
 
@@ -33,7 +34,7 @@ import 'katex/contrib/mhchem'
  *
  * main
  *   -> download, once per revision, then verify
- *   -> connect (@proj-airi/duckdb-wasm), registerFileURL with NODE_FS
+ *   -> connect (@proj-airi/drizzle-duckdb-wasm), registerFileURL with NODE_FS
  *     -> uniform query and topic query, see {@link gradableRows}
  *       -> sample.json
  */
@@ -113,8 +114,8 @@ async function download(): Promise<void> {
  * About 88% of the first 16 million rows hold notation, but under 1% of the rest do: they are single letters, for
  * example `$ A $`. Gradable rows therefore come from the first 16 million rows, and that is the data, not the hash.
  */
-function gradableRows(): string {
-  return `
+function gradableRows() {
+  return sql`
     WITH source AS (
       SELECT
         file_row_number AS row_offset,
@@ -122,7 +123,8 @@ function gradableRows(): string {
         equation, context_before, context_after, "spoken_English" AS spoken_english
       FROM read_parquet('mathbridge.parquet', file_row_number = true)
     )
-    SELECT *, hash(row_offset, ${seed}) AS priority
+    -- A bound number is a DOUBLE. The cast keeps the INTEGER of a literal seed, so the hash and the order stay the same.
+    SELECT *, hash(row_offset, CAST(${seed} AS INTEGER)) AS priority
     FROM source
     WHERE length(tex) BETWEEN 6 AND ${maxLength}
       AND regexp_matches(tex, '[\\\\^_=<>]')
@@ -144,20 +146,17 @@ function usesStandardTex(tex: string): boolean {
   }
 }
 
-/** Escapes a value for a single-quoted SQL string. The patterns are constants, so this only doubles quotes. */
-function sqlString(value: string): string {
-  return `'${value.replaceAll('\'', '\'\'')}'`
-}
-
 async function main() {
   await download()
 
   const client = await connect({ bundles: getBundles() })
+  // Drizzle binds every value of a `sql` template as a parameter, so the patterns and numbers need no escaping.
+  const db = drizzle({ client: Promise.resolve(client) })
   try {
     // NODE_FS reads the file from disk in pieces, so DuckDB never holds the whole gigabyte in WebAssembly memory.
     await client.db.registerFileURL('mathbridge.parquet', cacheFile, DuckDBDataProtocol.NODE_FS, false)
 
-    const topicCase = topics.map(([name, pattern]) => `WHEN regexp_matches(tex, ${sqlString(pattern)}) THEN ${sqlString(name)}`).join(' ')
+    const topicCase = sql.join(topics.map(([name, pattern]) => sql`WHEN regexp_matches(tex, ${pattern}) THEN ${name}`), sql` `)
     const toRow = (row: Record<string, unknown>, stratum: string): MathBridgeRow => ({
       stratum: String(row.tex).length > shortLength ? `${stratum}-long` : stratum,
       offset: Number(row.row_offset),
@@ -167,8 +166,8 @@ async function main() {
       spokenEnglish: String(row.spoken_english ?? ''),
     })
 
-    const uniform = await client.query(`${gradableRows()} ORDER BY priority LIMIT ${uniformCases * candidateFactor}`)
-    const byTopic = await client.query(`
+    const uniform = await db.execute<Record<string, unknown>>(sql`${gradableRows()} ORDER BY priority LIMIT ${uniformCases * candidateFactor}`)
+    const byTopic = await db.execute<Record<string, unknown>>(sql`
       SELECT * FROM (SELECT *, CASE ${topicCase} END AS topic FROM (${gradableRows()}))
       WHERE topic IS NOT NULL
       QUALIFY row_number() OVER (PARTITION BY topic ORDER BY priority) <= ${topicCases * candidateFactor}
diff --git a/evals/tts-speech-formula/eval/evaluators/judge/calibration/calibration.json b/evals/tts-speech-formula/eval/evaluators/judge/calibration/calibration.json
index c372bee062..bf29991057 100644
--- a/evals/tts-speech-formula/eval/evaluators/judge/calibration/calibration.json
+++ b/evals/tts-speech-formula/eval/evaluators/judge/calibration/calibration.json
@@ -10,7 +10,7 @@
       "spoken": "I",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; “I” naturally reads the letter in the formula."
+        "reason": "No part is spelled; the spoken text reads the letter I naturally."
       },
       "label": "natural",
       "note": ""
@@ -38,7 +38,7 @@
       "spoken": "double struck E of N sub alpha to the T power of v",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; the reading uses standard words for the expectation, subscript, and power."
+        "reason": "No part is spelled; naming the double-struck E and reading the subscript, superscript, and function argument are natural."
       },
       "label": "natural",
       "note": "Check whether \"N sub alpha to the T power of v\" keeps the grouping of N_alpha^T(v)."
@@ -51,8 +51,8 @@
       "reference": "k=1 , \\dots , d",
       "spoken": "k equals one, dot dot dot, d",
       "judge": {
-        "reading": "natural",
-        "reason": "No part is spelled; “and so on, up to” is a natural way to read the ellipsis."
+        "reading": "mixed",
+        "reason": "“Dot dot dot” spells out the ellipsis."
       },
       "label": "mixed",
       "note": "Read the ellipsis as \"and so on\" or \"up to\", not \"dot dot dot\"."
@@ -66,7 +66,7 @@
       "spoken": "the fraction with numerator 6 and denominator pi squared",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; the numerator-and-denominator phrasing naturally preserves the grouping of pi squared."
+        "reason": "No part is spelled; the numerator and denominator are read naturally."
       },
       "label": "mixed",
       "note": "A simple fraction reads shorter: \"six over pi squared\"."
@@ -94,7 +94,7 @@
       "spoken": "open paren a plus b close paren squared equals a squared plus 2 a b plus b squared",
       "judge": {
         "reading": "spelled",
-        "reason": "The reading names the parentheses around the compound expression instead of reading its meaning naturally."
+        "reason": "“Open paren” and “close paren” spell out the grouping brackets instead of reading the quantity naturally."
       },
       "label": "spelled",
       "note": "Do not read the parentheses. Say \"the square of the sum of a and b\"."
@@ -108,7 +108,7 @@
       "spoken": "Delta sub k is less than zero.",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; “Delta sub k is less than zero” is a natural reading."
+        "reason": "No part is spelled; “Delta sub k” is a natural reading of the subscript."
       },
       "label": "natural",
       "note": "Good reading."
@@ -136,7 +136,7 @@
       "spoken": "G superscript, open parenthesis, p, close parenthesis.",
       "judge": {
         "reading": "spelled",
-        "reason": "“Open parenthesis” and “close parenthesis” spell out the grouping instead of reading the superscript as G to the power of p."
+        "reason": "The reading spells out the parentheses around the superscript."
       },
       "label": "mixed",
       "note": ""
@@ -150,7 +150,7 @@
       "spoken": "7 over 60 bold k times bold k prime",
       "judge": {
         "reading": "mixed",
-        "reason": "“Bold” names formatting markup for both k’s."
+        "reason": "The reading spells the boldface markup by saying “bold” for each k."
       },
       "label": "mixed",
       "note": "Only one k appears, so \"bold\" is not needed: \"k times k prime\"."
@@ -163,8 +163,8 @@
       "reference": "\\ce{2H2 + O2 -> 2H2O}",
       "spoken": "係数二、エイチの下付き数字二、プラス、オーの下付き数字二、右向き矢印、係数二、エイチの下付き数字二、オー",
       "judge": {
-        "reading": "mixed",
-        "reason": "No part is spelled; the element symbols are read by letter, and the subscripts and reaction arrow are described in Japanese."
+        "reading": "spelled",
+        "reason": "「下付き数字」と「右向き矢印」は数式の表記を説明しており、意味として読む形ではありません。"
       },
       "label": "spelled",
       "note": "Reads every subscript and the arrow by name. It does not work as a reading of an equation."
@@ -178,7 +178,7 @@
       "spoken": "分子がディー、分母がディーエックスの分数に、エックスのエヌ乗。イコール、エヌかけるエックスの、肩にエヌひく一。",
       "judge": {
         "reading": "mixed",
-        "reason": "The phrase 「肩に」 spells out the exponent’s visual placement instead of reading it as a power."
+        "reason": "「肩に」と位置を説明しており、指数を読むのではなく組版上の位置を述べています。"
       },
       "label": "spelled",
       "note": "Mostly right. Unsure whether 肩に is a usual Japanese reading."
@@ -206,7 +206,7 @@
       "spoken": "2 empty normal H of sub 2 normal O sub 2 right arrow 2 empty normal H of sub 2 normal O plus normal O sub 2",
       "judge": {
         "reading": "spelled",
-        "reason": "The reading spells the chemical symbols with markup words such as “empty” and “normal,” and says “right arrow” in English."
+        "reason": "It spells the chemistry element symbols with markup words such as “empty,” “normal,” and “of sub.”"
       },
       "label": "spelled",
       "note": ""
@@ -220,7 +220,7 @@
       "spoken": "ケーがゼロから無限大までのにのケー乗分のいちの和 イコール に",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; the sum, fraction, power, and equality are read in standard Japanese mathematical terms."
+        "reason": "No part is spelled; the sum, fraction, power, and equality are read in standard Japanese math terms."
       },
       "label": "natural",
       "note": ""
@@ -234,7 +234,7 @@
       "spoken": "小文字のエーは、大文字のエーに属する。",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; the reading naturally distinguishes lowercase a from uppercase A."
+        "reason": "No part is spelled; the case of each letter is naturally distinguished."
       },
       "label": "natural",
       "note": "Shorter case words are enough, for example 小 a and 大 A."
@@ -262,7 +262,7 @@
       "spoken": "左中かっこ、エックス、縦棒、エックス大なりゼロ、右中かっこ。",
       "judge": {
         "reading": "spelled",
-        "reason": "It spells out the set braces as “left brace” and “right brace,” and reads the set-builder bar as “vertical bar.”"
+        "reason": "It spells out the set braces and the vertical bar instead of reading the set as the set of x such that x is greater than zero."
       },
       "label": "spelled",
       "note": ""
@@ -276,7 +276,7 @@
       "spoken": "派的平方分之6",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; this is a natural reading of the fraction."
+        "reason": "No part is spelled; the denominator’s square is clear in this Mandarin fraction reading."
       },
       "label": "natural",
       "note": ""
@@ -290,7 +290,7 @@
       "spoken": "九点八米每秒平方",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; the quantity is read naturally in Mandarin Chinese."
+        "reason": "No part is spelled; the number and unit are read naturally in Mandarin Chinese."
       },
       "label": "natural",
       "note": ""
@@ -304,7 +304,7 @@
       "spoken": "小写字母 l，下标一，平行于小写字母 l，下标二。",
       "judge": {
         "reading": "mixed",
-        "reason": "The reading spells out “小写字母” even though the formula contains only one case of l."
+        "reason": "“小写字母” spells out the case of each letter even though the formula uses only one case; the subscript and parallel relation are read naturally."
       },
       "label": "mixed",
       "note": "The letter has one case in the formula, so the case is not needed. If it is, say 小 l."
@@ -317,8 +317,8 @@
       "reference": "\\frac{6}{\\pi^2}",
       "spoken": "the fraction with numerator 6 and denominator pi squared",
       "judge": {
-        "reading": "natural",
-        "reason": "The reading is in English rather than Mandarin Chinese."
+        "reading": "spelled",
+        "reason": "The reading is mostly in English rather than Mandarin Chinese."
       },
       "label": "mixed",
       "note": "Not Chinese. The fraction also reads shorter."
@@ -331,8 +331,8 @@
       "reference": "a \\in A",
       "spoken": "小写a 属于 大写A",
       "judge": {
-        "reading": "natural",
-        "reason": "No part is spelled."
+        "reading": "spelled",
+        "reason": "The spoken text unnecessarily specifies lowercase and uppercase for letters that appear in only one case in the formula."
       },
       "label": "mixed",
       "note": "Use the short form 小a and 大A. The case words can go unless a variant of the letter appears."
@@ -345,8 +345,8 @@
       "reference": "\\{x \\mid x > 0\\}",
       "spoken": "左花括号，x，使得 x 大于零，右花括号。",
       "judge": {
-        "reading": "spelled",
-        "reason": "The reading names the left and right braces around the set."
+        "reading": "mixed",
+        "reason": "The reading names the left and right curly braces around the set, which spells the markup."
       },
       "label": "spelled",
       "note": "The braces of a set are clear from the meaning and need no reading."
@@ -360,7 +360,7 @@
       "spoken": "open paren a plus b close paren squared equals a squared plus 2 a b plus b squared",
       "judge": {
         "reading": "spelled",
-        "reason": "The reading is mostly in English rather than Mandarin Chinese, and it names the main parentheses as “open paren” and “close paren.”"
+        "reason": "The reading is mostly in English rather than Mandarin Chinese, and it spells out the parentheses around the sum."
       },
       "label": "spelled",
       "note": "Not Chinese, and the parentheses are read. Better: a 与 b 的和的平方 等于 a 方加 2ab 加 b 方."
@@ -402,7 +402,7 @@
       "spoken": "x is less than or equal to 3",
       "judge": {
         "reading": "spelled",
-        "reason": "The comparison is read in English rather than Mandarin Chinese."
+        "reason": "The reading is mostly in English rather than Mandarin Chinese."
       },
       "label": "spelled",
       "note": "Reads in English, not Chinese. A reading in another language does not pass."
@@ -416,7 +416,7 @@
       "spoken": "Open brace, x such that x is greater than zero, close brace.",
       "judge": {
         "reading": "spelled",
-        "reason": "It spells out the opening and closing braces around the set."
+        "reason": "It names the opening and closing braces even though “the set of x such that” is a natural reading."
       },
       "label": "mixed",
       "note": "The braces of a set need no reading."
@@ -444,7 +444,7 @@
       "spoken": "Capital sigma, subscript, open brace, capital B, subscript capital T, close brace.",
       "judge": {
         "reading": "spelled",
-        "reason": "The reading spells the braces and subscript markup, and adds unnecessary case labels for sigma, B, and T."
+        "reason": "The reading spells the subscript markup by saying “subscript,” “open brace,” and “close brace,” and adds unnecessary case labels for the only instances of sigma and B."
       },
       "label": "spelled",
       "note": ""
@@ -472,7 +472,7 @@
       "spoken": "9.8 empty meters divided by seconds squared",
       "judge": {
         "reading": "spelled",
-        "reason": "“Empty” and “divided by” spell spacing and fraction notation rather than reading the unit naturally in Japanese."
+        "reason": "The word “empty” spells out the spacing command, and “divided by” reads the unit fraction symbolically rather than as the standard Japanese unit reading."
       },
       "label": "mixed",
       "note": "\"empty\" is not a reading."
@@ -485,8 +485,8 @@
       "reference": "N=n+1",
       "spoken": "大文字のエヌ、イコール、小文字のエヌ、プラス、一。",
       "judge": {
-        "reading": "natural",
-        "reason": "The case words for N and n are natural because both cases appear in the formula; no part is spelled."
+        "reading": "spelled",
+        "reason": "It unnecessarily says 大文字の and 小文字の for letters that appear only in one case each."
       },
       "label": "mixed",
       "note": "Shorter case words are enough, unless the formula has several variants of n."
@@ -500,7 +500,7 @@
       "spoken": "Celsius plus normal O sub 2 right arrow Celsius normal O sub 2",
       "judge": {
         "reading": "spelled",
-        "reason": "The reading is mostly English, and “sub” and “right arrow” spell the notation rather than reading it in Japanese."
+        "reason": "The reading is mostly English, and “sub 2” and “right arrow” spell out the notation rather than reading it naturally in Japanese."
       },
       "label": "spelled",
       "note": "Reads C as Celsius, and the oxygen molecule is lost."
@@ -514,7 +514,7 @@
       "spoken": "2 empty Celsius plus normal O sub 2 right arrow 2 empty Celsius normal O",
       "judge": {
         "reading": "spelled",
-        "reason": "The reading uses the English phrases “empty Celsius,” “plus,” “normal,” and “right arrow” instead of Japanese readings."
+        "reason": "“Empty Celsius,” “normal,” and “right arrow” spell the notation, and the reading is mostly English."
       },
       "label": "spelled",
       "note": "Reads the formula symbols, not the chemical formula."
@@ -542,7 +542,7 @@
       "spoken": "CuSO4 点 5 H2O",
       "judge": {
         "reading": "spelled",
-        "reason": "It leaves the chemical formulas “CuSO4” and “H2O” as source notation instead of reading the element symbols letter by letter."
+        "reason": "The reading spells the chemical formula as Latin element symbols and digits, and says “点” for the asterisk instead of reading the hydrate notation naturally."
       },
       "label": "spelled",
       "note": ""
@@ -556,7 +556,7 @@
       "spoken": "25 raised to the composed with power Celsius",
       "judge": {
         "reading": "spelled",
-        "reason": "The reading uses the English phrase “raised to the ... power” instead of Mandarin Chinese."
+        "reason": "“Raised to the composed with power” is English markup-like wording rather than a Mandarin reading."
       },
       "label": "spelled",
       "note": "Should be 25 摄氏度."
@@ -570,7 +570,7 @@
       "spoken": "系数二，过氧化氢分子，化学式中氢的下标是二，氧的下标是二，反应生成系数二的水分子，化学式中氢的下标是二，再加一个氧气分子，化学式中氧的下标是二。",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; the coefficients, compound names, and subscript readings use natural Mandarin terminology."
+        "reason": "No part is spelled; the reading uses compound names and describes the coefficients and subscripts in Mandarin."
       },
       "label": "mixed",
       "note": "Too mechanical."
@@ -584,7 +584,7 @@
       "spoken": "lim over x right arrow infinity of 1 over x equals 0",
       "judge": {
         "reading": "spelled",
-        "reason": "The reading is mostly English, and “right arrow” spells the arrow symbol."
+        "reason": "The reading is mostly English rather than Mandarin Chinese."
       },
       "label": "mixed",
       "note": "Unsure whether lim reads this way."
@@ -598,7 +598,7 @@
       "spoken": "f colon X right arrow Y comma x right arrow from bar y",
       "judge": {
         "reading": "spelled",
-        "reason": "The reading spells the symbols as “colon,” “right arrow,” “comma,” and “right arrow from bar” instead of reading their meaning in Mandarin."
+        "reason": "The reading uses the English markup names “colon,” “right arrow,” “comma,” and “right arrow from bar” instead of Mandarin mathematical phrasing."
       },
       "label": "spelled",
       "note": ""
@@ -612,7 +612,7 @@
       "spoken": "시그마 아래첨자 영은 분수 시작, 분자 에프 빼기 일, 분모 이, 분수 끝과 같다.",
       "judge": {
         "reading": "mixed",
-        "reason": "The reading spells out fraction markup with “분수 시작” and “분수 끝.”"
+        "reason": "The reading spells the fraction markup with “분수 시작” and “분수 끝.”"
       },
       "label": null,
       "note": ""
@@ -625,8 +625,8 @@
       "reference": "\\lim_{x \\to \\infty}\\frac{1}{x}=0",
       "spoken": "리미트 엑스가 무한대로 갈 때, 분수의 분자는 일, 분모는 엑스, 그 값은 영입니다.",
       "judge": {
-        "reading": "natural",
-        "reason": "No part is spelled; the limit and fraction are read in natural Korean mathematical language."
+        "reading": "mixed",
+        "reason": "The simple fraction is read in the unnecessarily explicit numerator-and-denominator form."
       },
       "label": null,
       "note": ""
@@ -654,7 +654,7 @@
       "spoken": "왼쪽 중괄호, 엑스, 세로줄, 엑스가 영보다 크다, 오른쪽 중괄호.",
       "judge": {
         "reading": "spelled",
-        "reason": "The reading spells out the set’s opening and closing braces and names the vertical bar instead of reading the set-builder structure naturally."
+        "reason": "The reading spells out the set braces as “왼쪽 중괄호” and “오른쪽 중괄호,” and the separator as “세로줄.”"
       },
       "label": null,
       "note": ""
@@ -668,7 +668,7 @@
       "spoken": "에이는 비와의 합집합이며, 중괄호를 열고 일, 이, 삼을 차례로 적은 뒤 중괄호를 닫은 집합과 같다.",
       "judge": {
         "reading": "mixed",
-        "reason": "It spells the set braces by saying to open and close the curly braces."
+        "reason": "The reading spells out the opening and closing curly braces around the set."
       },
       "label": null,
       "note": ""
@@ -682,7 +682,7 @@
       "spoken": "소문자 에이는 대문자 에이의 원소",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; the reading naturally distinguishes lowercase a from uppercase A."
+        "reason": "No part is spelled; the case words distinguish lowercase a from uppercase A."
       },
       "label": null,
       "note": ""
@@ -695,8 +695,8 @@
       "reference": "\\lim_{n \\to \\infty}\\left(1+\\frac{1}{n}\\right)^{n}=e",
       "spoken": "엔이 무한대로 갈 때 괄호 일 더하기 분자가 일, 분모가 엔인 분수 괄호 닫고의 엔 제곱의 극한은 e",
       "judge": {
-        "reading": "mixed",
-        "reason": "The reading is natural; it uses the standard fraction wording and names the meaningful parentheses around the compound expression."
+        "reading": "natural",
+        "reason": "No part is spelled; the fraction is naturally read by naming its numerator and denominator, and the parentheses group the compound expression."
       },
       "label": null,
       "note": ""
@@ -738,7 +738,7 @@
       "spoken": "엑스는 영 초과 비 이하인 구간의 원소",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; the interval and membership are read naturally in Korean."
+        "reason": "No part is spelled; the interval is read naturally as an element between zero and b, inclusive."
       },
       "label": null,
       "note": ""
@@ -751,8 +751,8 @@
       "reference": "\\sum_{k=1}^{n} k=\\frac{n(n+1)}{2}",
       "spoken": "ケーがいちからエヌまでのケーの和 イコール 分子がエヌかっこエヌプラスいちかっことじ、分母がにの分数",
       "judge": {
-        "reading": "mixed",
-        "reason": "The spoken reading spells the parentheses in the denominator expression by naming them."
+        "reading": "natural",
+        "reason": "No part is spelled; the sum and fraction are read using natural Japanese math phrasing."
       },
       "label": null,
       "note": ""
@@ -766,7 +766,7 @@
       "spoken": "f 콜론 X 오른쪽 화살표 Y 콤마 x 세로선이 붙은 오른쪽 화살표 y",
       "judge": {
         "reading": "mixed",
-        "reason": "The reading spells the mapsto symbol as “세로선이 붙은 오른쪽 화살표” instead of reading its mapping meaning."
+        "reason": "The phrase “세로선이 붙은 오른쪽 화살표” describes the mapsto symbol rather than reading its meaning."
       },
       "label": null,
       "note": ""
@@ -780,7 +780,7 @@
       "spoken": "2 기본 H 의 아래첨자 2 더하기 기본 O 아래첨자 2 오른쪽 화살표 2 기본 H 의 아래첨자 2 기본 O",
       "judge": {
         "reading": "mixed",
-        "reason": "“기본” spells font formatting, and “오른쪽 화살표” names the arrow symbol rather than reading its meaning."
+        "reason": "The reading spells the subscripts with “아래첨자” and the arrow with “오른쪽 화살표.”"
       },
       "label": null,
       "note": ""
@@ -794,7 +794,7 @@
       "spoken": "x 오른쪽 화살표 무한대 에 대한 리미트 의 x 분의 1 은 0",
       "judge": {
         "reading": "mixed",
-        "reason": "The reading names the arrow as a right arrow instead of reading the limit condition naturally."
+        "reason": "The reading spells the limit notation as “x right arrow infinity” instead of reading the limiting condition naturally."
       },
       "label": null,
       "note": ""
@@ -807,8 +807,8 @@
       "reference": "(a+b)^2=a^2+2ab+b^2",
       "spoken": "괄호 열고 a 더하기 b 괄호 닫고 제곱 은 a 제곱 더하기 2 a b 더하기 b 제곱",
       "judge": {
-        "reading": "spelled",
-        "reason": "The reading names the main parentheses around a plus b instead of using a natural phrase for the squared sum."
+        "reading": "natural",
+        "reason": "No part is spelled; the Korean grouping words and power readings are natural."
       },
       "label": null,
       "note": ""
@@ -822,7 +822,7 @@
       "spoken": "시그마 i 는 1 에서 n 까지 i 제곱",
       "judge": {
         "reading": "natural",
-        "reason": "No part is spelled; the summation notation is read in a conventional Korean shorthand."
+        "reason": "No part is spelled; the summation is read naturally as a sum from i equals one to n of i squared."
       },
       "label": null,
       "note": ""
@@ -836,7 +836,7 @@
       "spoken": "25 의 합성 함수 제곱 섭씨",
       "judge": {
         "reading": "mixed",
-        "reason": "The reading spells the superscript as “제곱,” which changes the degree symbol into an exponent."
+        "reason": "The reading spells the degree mark as a superscript and calls it a square rather than reading the temperature unit naturally."
       },
       "label": null,
       "note": ""
diff --git a/evals/tts-speech-formula/eval/evaluators/judge/calibration/collect.ts b/evals/tts-speech-formula/eval/evaluators/judge/calibration/collect.ts
index e579605dda..71142756f4 100644
--- a/evals/tts-speech-formula/eval/evaluators/judge/calibration/collect.ts
+++ b/evals/tts-speech-formula/eval/evaluators/judge/calibration/collect.ts
@@ -8,7 +8,8 @@ import { formulaSpeechCases } from '../../../cases/formula-speech'
 import { mathBridgeCases } from '../../../cases/math-bridge'
 
 /**
- * Collects the readings that a person labels in the calibration tool, see ./README.md.
+ * Collects the readings of the judge calibration set, and prints how many labels of a person the judge matches. See the
+ * judge calibration section of the eval README.
  *
  * It reads the newest `result.json` of each case from the reports.
  *
@@ -50,8 +51,16 @@ function order(key: string): number {
   return hash >>> 0
 }
 
-/** The newest judged reading of each object, case, and language, without TTS. */
-async function newestReadings(): Promise<CalibrationItem[]> {
+/** The key of one spoken text of an item. A label applies to the words that a person read, not to the case. */
+function readingKey(item: Pick<CalibrationItem, 'id' | 'spoken'>): string {
+  return `${item.id}\u0000${item.spoken}`
+}
+
+/**
+ * The newest judged reading of each object, case, language, and spoken text, without TTS. A rule change gives a case
+ * new words, and the result for the old words stays in older reports.
+ */
+async function newestReadings(): Promise<{ time: number, item: CalibrationItem }[]> {
   const newest = new Map<string, { time: number, item: CalibrationItem }>()
   for (const object of objects) {
     for await (const path of glob(`${object}/*/tts-speech-formula/attempt-*/run-*/artifacts/*/*/result.json`, { cwd: reportsRoot.pathname })) {
@@ -60,10 +69,11 @@ async function newestReadings(): Promise<CalibrationItem[]> {
       if (!currentCases.has(result.id) || result.tts !== 'none' || result.reading === undefined || typeof result.reference !== 'string' || !result.spoken.trim())
         continue
       const id = `${object}|${result.id}|${result.language}`
+      const key = readingKey({ id, spoken: result.spoken })
       const time = (await stat(file)).mtimeMs
-      if ((newest.get(id)?.time ?? 0) >= time)
+      if ((newest.get(key)?.time ?? 0) >= time)
         continue
-      newest.set(id, {
+      newest.set(key, {
         time,
         item: {
           id,
@@ -79,7 +89,7 @@ async function newestReadings(): Promise<CalibrationItem[]> {
       })
     }
   }
-  return [...newest.values()].map(({ item }) => item)
+  return [...newest.values()]
 }
 
 /**
@@ -108,7 +118,20 @@ function pick(readings: readonly CalibrationItem[]): CalibrationItem[] {
   return picked
 }
 
-/** Written next to the file and renamed over it, as the labeling server does, so a reader never sees half a file. */
+/**
+ * Prints how many labeled readings the judge verdict matches, the measure of the judge. `stale` readings have no
+ * newer verdict on their words, so they keep an older verdict.
+ */
+function reportAgreement(items: readonly CalibrationItem[], stale = 0) {
+  const labeled = items.filter(item => item.label !== null)
+  const matched = labeled.filter(item => item.label === item.judge.reading).length
+  const share = labeled.length ? Math.round(100 * matched / labeled.length) : 0
+  process.stdout.write(`the judge matches ${matched} of ${labeled.length} labels (${share}%)\n`)
+  if (stale > 0)
+    process.stdout.write(`${stale} readings kept an older verdict, because no report judged their words again\n`)
+}
+
+/** Written next to the file and renamed over it, so a reader never sees half a file. */
 async function write(items: CalibrationItem[]) {
   const partial = new URL('./calibration.json.partial', import.meta.url)
   await writeFile(partial, `${JSON.stringify({ seed, items } satisfies CalibrationFile, null, 2)}\n`)
@@ -119,17 +142,25 @@ async function main() {
   const previous = await readFile(calibrationFile, 'utf8').then(text => JSON.parse(text) as CalibrationFile, () => ({ items: [] }))
   const labeled = new Map(previous.items.filter(item => item.label !== null).map(item => [item.id, item]))
 
-  const readings = await newestReadings()
+  const judged = await newestReadings()
+  const readings = judged.map(({ item }) => item)
   if (previous.items.length > 0 && !process.argv.includes('--pick')) {
-    const newest = new Map(readings.map(item => [item.id, item]))
-    const items = previous.items.map(item => ({ ...item, judge: newest.get(item.id)?.judge ?? item.judge }))
+    // A verdict counts only on the words that the person labeled. A case that reads differently now keeps its verdict.
+    const newest = new Map(readings.map(item => [readingKey(item), item]))
+    const items = previous.items.map(item => ({ ...item, judge: newest.get(readingKey(item))?.judge ?? item.judge }))
+    const stale = previous.items.filter(item => !newest.has(readingKey(item))).length
     await write(items)
-    process.stdout.write(`refreshed the judge verdicts of ${items.length} readings, ${labeled.size} labeled\n`)
+    process.stdout.write(`refreshed the judge verdicts of ${items.length - stale} readings, ${labeled.size} labeled\n`)
+    reportAgreement(items, stale)
     return
   }
 
+  // A new pick takes the newest words of each case.
+  const current = new Map<string, CalibrationItem>()
+  for (const { item } of judged.toSorted((left, right) => left.time - right.time))
+    current.set(item.id, item)
   const languages = [...new Set(readings.map(item => item.language))].sort()
-  const items = languages.flatMap(language => pick(readings.filter(item => item.language === language)))
+  const items = languages.flatMap(language => pick([...current.values()].filter(item => item.language === language)))
     // A labeled item keeps its label and note. Its judge verdict is the newest one.
     .map(item => ({ ...item, label: labeled.get(item.id)?.label ?? null, note: labeled.get(item.id)?.note ?? '' }))
   // Labeled items that the new pick left out stay, so collecting again never loses work.
@@ -141,6 +172,7 @@ async function main() {
 
   await write(items)
   process.stdout.write(`collected ${items.length} readings from ${readings.length}, ${labeled.size} labeled\n`)
+  reportAgreement(items)
 }
 
 void main()
diff --git a/evals/tts-speech-formula/eval/evaluators/judge/calibration/index.html b/evals/tts-speech-formula/eval/evaluators/judge/calibration/index.html
deleted file mode 100644
index ebd2226d35..0000000000
--- a/evals/tts-speech-formula/eval/evaluators/judge/calibration/index.html
+++ /dev/null
@@ -1,74 +0,0 @@
-<!doctype html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Judge calibration</title>
-    <link rel="stylesheet" href="./style.css" />
-  </head>
-  <body>
-    <main>
-      <header class="top">
-        <div class="title">
-          <h1>Judge calibration</h1>
-          <p class="stats" id="stats">Loading…</p>
-          <div class="progress" aria-hidden="true"><div class="progress-bar" id="progress"></div></div>
-        </div>
-        <div class="filters">
-          <label class="field">
-            <span>Language</span>
-            <select id="language"><option value="">All languages</option></select>
-          </label>
-          <label class="field">
-            <span>Show</span>
-            <select id="show">
-              <option value="unlabeled">Unlabeled first</option>
-              <option value="all">All</option>
-              <option value="disagree">Disagreements</option>
-            </select>
-          </label>
-        </div>
-      </header>
-
-      <section class="stage" id="stage" aria-live="polite"></section>
-
-      <nav class="pager">
-        <button class="button" id="previous" type="button"><kbd>←</kbd> Previous</button>
-        <span class="position" id="position"></span>
-        <button class="button" id="next" type="button">Next <kbd>Enter</kbd></button>
-      </nav>
-
-      <p class="hint">
-        <kbd>1</kbd> natural · <kbd>2</kbd> mixed · <kbd>3</kbd> spelled · press the same key again to clear ·
-        the judge verdict shows after you label.
-      </p>
-    </main>
-
-    <div class="toast" id="toast" role="status"></div>
-
-    <template id="card-template">
-      <article class="card">
-        <div class="meta"></div>
-        <div class="formula"></div>
-        <code class="source"></code>
-        <p class="spoken"></p>
-        <div class="choices" role="radiogroup" aria-label="Reading style">
-          <button class="choice" type="button" role="radio" data-label="natural"><kbd>1</kbd><span class="choice-name">Natural</span><span class="choice-help">says the meaning</span></button>
-          <button class="choice" type="button" role="radio" data-label="mixed"><kbd>2</kbd><span class="choice-name">Mixed</span><span class="choice-help">one or two spelled parts</span></button>
-          <button class="choice" type="button" role="radio" data-label="spelled"><kbd>3</kbd><span class="choice-name">Spelled</span><span class="choice-help">reads the markup</span></button>
-        </div>
-        <label class="note">
-          <span>Note</span>
-          <textarea rows="2" placeholder="Which part is spelled, or how it should be read. Markdown works."></textarea>
-        </label>
-        <div class="note-preview markdown" hidden></div>
-        <div class="judge" hidden></div>
-        <div class="tools">
-          <button class="button ghost" type="button" data-action="copy">Copy translation prompt</button>
-        </div>
-      </article>
-    </template>
-
-    <script type="module" src="./main.ts"></script>
-  </body>
-</html>
diff --git a/evals/tts-speech-formula/eval/evaluators/judge/calibration/main.ts b/evals/tts-speech-formula/eval/evaluators/judge/calibration/main.ts
deleted file mode 100644
index 1b36c0a5d4..0000000000
--- a/evals/tts-speech-formula/eval/evaluators/judge/calibration/main.ts
+++ /dev/null
@@ -1,266 +0,0 @@
-/// <reference types="vite/client" />
-
-import type { CalibrationFile, CalibrationItem, ReadingLabel } from './types'
-
-import katex from 'katex'
-import rehypeStringify from 'rehype-stringify'
-import remarkParse from 'remark-parse'
-import remarkRehype from 'remark-rehype'
-
-import { unified } from 'unified'
-
-import 'katex/contrib/mhchem'
-import 'katex/dist/katex.min.css'
-
-const labels: readonly ReadingLabel[] = ['natural', 'mixed', 'spelled']
-const languageNames: Readonly<Record<string, string>> = { zh: 'Mandarin Chinese', en: 'English', ja: 'Japanese', ko: 'Korean' }
-
-const stage = document.querySelector<HTMLElement>('#stage')!
-const template = document.querySelector<HTMLTemplateElement>('#card-template')!
-const stats = document.querySelector<HTMLElement>('#stats')!
-const progress = document.querySelector<HTMLElement>('#progress')!
-const position = document.querySelector<HTMLElement>('#position')!
-const toast = document.querySelector<HTMLElement>('#toast')!
-const languageSelect = document.querySelector<HTMLSelectElement>('#language')!
-const showSelect = document.querySelector<HTMLSelectElement>('#show')!
-const previousButton = document.querySelector<HTMLButtonElement>('#previous')!
-const nextButton = document.querySelector<HTMLButtonElement>('#next')!
-
-/**
- * Renders the markdown of a judge reason or a note. remark-rehype drops raw HTML, so the text cannot inject markup.
- */
-const markdown = unified().use(remarkParse).use(remarkRehype).use(rehypeStringify)
-function renderMarkdown(text: string): string {
-  return String(markdown.processSync(text))
-}
-
-let items: CalibrationItem[] = []
-/**
- * The items in the order of the current filters. It is computed when the page loads or a filter changes, never when a
- * label changes, so labeling an item never moves the card to another item.
- */
-let order: CalibrationItem[] = []
-let index = 0
-
-function computeOrder() {
-  const language = languageSelect.value
-  const show = showSelect.value
-  const filtered = items.filter(item => !language || item.language === language)
-  if (show === 'disagree')
-    order = filtered.filter(item => item.label !== null && item.label !== item.judge.reading)
-  else if (show === 'unlabeled')
-    order = [...filtered.filter(item => item.label === null), ...filtered.filter(item => item.label !== null)]
-  else
-    order = filtered
-  index = 0
-}
-
-let toastTimer: ReturnType<typeof setTimeout> | undefined
-function showToast(message: string, error = false) {
-  toast.textContent = message
-  toast.classList.toggle('error', error)
-  toast.classList.add('visible')
-  clearTimeout(toastTimer)
-  toastTimer = setTimeout(() => toast.classList.remove('visible'), error ? 4000 : 1400)
-}
-
-function renderStats() {
-  const labeled = items.filter(item => item.label !== null)
-  const agree = labeled.filter(item => item.label === item.judge.reading).length
-  const rate = labeled.length ? `${Math.round(100 * agree / labeled.length)}%` : '–'
-  stats.textContent = `${labeled.length} of ${items.length} labeled · the judge agrees on ${agree} of ${labeled.length} (${rate})`
-  progress.style.width = `${items.length ? 100 * labeled.length / items.length : 0}%`
-}
-
-/** Renders the formula with KaTeX. A formula that KaTeX cannot render shows a short notice above its source. */
-function renderFormula(target: HTMLElement, tex: string) {
-  try {
-    target.innerHTML = katex.renderToString(tex, { displayMode: true, throwOnError: true })
-  }
-  catch {
-    target.innerHTML = '<p class="formula-error">KaTeX cannot render this source.</p>'
-  }
-}
-
-/** A prompt for any agent: translate the reading and say how a native speaker would hear it. */
-function translationPrompt(item: CalibrationItem): string {
-  return [
-    `This is a ${languageNames[item.language] ?? item.language} reading of a math formula for a text-to-speech voice.`,
-    `LaTeX: ${item.reference}`,
-    `Reading: ${item.spoken}`,
-    'Translate the reading word by word into Chinese. Then say whether a native speaker hears it as a teacher reading the meaning, or as someone spelling the markup, such as naming every bracket or saying command names.',
-  ].join('\n')
-}
-
-/** The scripts that a reading in each language must use. A reading without them is in another language. */
-const languageScripts: Readonly<Record<string, RegExp>> = {
-  zh: /\p{Script=Han}/u,
-  ja: /[\p{Script=Hiragana}\p{Script=Katakana}\p{Script=Han}]/u,
-  ko: /\p{Script=Hangul}/u,
-}
-
-function chip(text: string, strong = false): HTMLSpanElement {
-  const element = document.createElement('span')
-  element.className = strong ? 'chip strong' : 'chip'
-  element.textContent = text
-  return element
-}
-
-/**
- * Updates only what a label changes: the chosen choice, the verdict of the judge, and the stats. The note box stays,
- * so its focus and cursor stay too.
- */
-function renderLabel(card: HTMLElement, item: CalibrationItem) {
-  for (const choice of card.querySelectorAll<HTMLButtonElement>('.choice'))
-    choice.setAttribute('aria-checked', String(choice.dataset.label === item.label))
-
-  const judge = card.querySelector<HTMLElement>('.judge')!
-  // The verdict shows only after the person labels, so it does not decide the label for them.
-  judge.hidden = item.label === null
-  if (item.label !== null) {
-    const agree = item.label === item.judge.reading
-    judge.className = `judge ${agree ? 'agree' : 'disagree'}`
-    judge.innerHTML = `<div class="judge-head">${agree ? '✓ The judge agrees' : '✗ The judge disagrees'}: ${item.judge.reading}</div>`
-      + `<div class="markdown">${renderMarkdown(item.judge.reason)}</div>`
-  }
-  renderStats()
-}
-
-function renderNotePreview(card: HTMLElement, item: CalibrationItem) {
-  const preview = card.querySelector<HTMLElement>('.note-preview')!
-  preview.hidden = !item.note.trim()
-  preview.innerHTML = renderMarkdown(item.note)
-}
-
-/** Renders the card of the current item. `direction` slides it in from the side it comes from. */
-function renderCard(direction: 'next' | 'previous' | 'none' = 'none') {
-  index = Math.min(Math.max(index, 0), Math.max(order.length - 1, 0))
-  const item = order[index]
-  previousButton.disabled = index <= 0
-  nextButton.disabled = index >= order.length - 1
-  position.textContent = order.length ? `${index + 1} / ${order.length}` : ''
-  renderStats()
-  if (!item) {
-    stage.innerHTML = '<div class="card empty">No readings match the filters.</div>'
-    return
-  }
-
-  const card = template.content.firstElementChild!.cloneNode(true) as HTMLElement
-  if (direction !== 'none')
-    card.classList.add(`enter-${direction}`)
-  card.querySelector('.meta')!.append(
-    chip(languageNames[item.language] ?? item.language, true),
-    chip(item.object),
-    chip(item.caseId),
-  )
-  renderFormula(card.querySelector<HTMLElement>('.formula')!, item.reference)
-  card.querySelector('.source')!.textContent = item.reference
-  const spoken = card.querySelector<HTMLElement>('.spoken')!
-  spoken.textContent = item.spoken
-  spoken.lang = item.language
-  // A test object can answer in another language, for example sre speaks only English. The text is shown as it came,
-  // so the warning says that this is the reading itself and not a display error.
-  const script = languageScripts[item.language]
-  if (script && !script.test(item.spoken)) {
-    const warning = document.createElement('p')
-    warning.className = 'language-warning'
-    warning.textContent = `This reading is not in ${languageNames[item.language] ?? item.language}. The test object wrote it this way. A reading in another language does not pass.`
-    spoken.after(warning)
-  }
-
-  for (const choice of card.querySelectorAll<HTMLButtonElement>('.choice'))
-    choice.addEventListener('click', () => choose(card, item, choice.dataset.label as ReadingLabel))
-
-  const noteBox = card.querySelector<HTMLTextAreaElement>('textarea')!
-  noteBox.value = item.note
-  // The note is kept on the item as the person types, so a label chosen before the note is saved carries the new note.
-  noteBox.addEventListener('input', () => {
-    item.note = noteBox.value
-    renderNotePreview(card, item)
-  })
-  noteBox.addEventListener('change', () => void save(item, 'Note saved'))
-
-  card.querySelector<HTMLButtonElement>('[data-action="copy"]')!.addEventListener('click', () => {
-    navigator.clipboard.writeText(translationPrompt(item))
-      .then(() => showToast('Translation prompt copied'))
-      .catch(() => showToast('The browser blocked the clipboard', true))
-  })
-
-  stage.replaceChildren(card)
-  renderLabel(card, item)
-  renderNotePreview(card, item)
-}
-
-/** Saves of the page, one at a time, so a later save never lands before an earlier one. */
-let saves: Promise<unknown> = Promise.resolve()
-
-/** Saves the label and the note of an item to calibration.json through the dev server. */
-function save(item: CalibrationItem, message: string): Promise<void> {
-  const body = JSON.stringify({ id: item.id, label: item.label, note: item.note })
-  const run = saves.then(async () => {
-    const response = await fetch('/api/items', { method: 'POST', body })
-    if (!response.ok)
-      throw new Error(`${response.status} ${await response.text()}`)
-  })
-  saves = run.catch(() => undefined)
-  return run.then(
-    () => showToast(message),
-    (error: unknown) => showToast(`Not saved: ${String(error)}`, true),
-  )
-}
-
-/** Chooses a label, or clears it when it is the label the item already has. The card stays on the item. */
-function choose(card: HTMLElement, item: CalibrationItem, label: ReadingLabel) {
-  item.label = item.label === label ? null : label
-  const choice = card.querySelector<HTMLButtonElement>(`.choice[data-label="${label}"]`)!
-  choice.classList.remove('pulse')
-  // Reading the layout restarts the animation when the same choice is pressed twice in a row.
-  void choice.offsetWidth
-  choice.classList.add('pulse')
-  renderLabel(card, item)
-  void save(item, item.label === null ? 'Label cleared' : `Saved as ${item.label}`)
-}
-
-function move(step: number) {
-  const next = index + step
-  if (next < 0 || next >= order.length)
-    return
-  index = next
-  renderCard(step > 0 ? 'next' : 'previous')
-}
-
-document.addEventListener('keydown', (event) => {
-  if (event.target instanceof HTMLTextAreaElement || event.target instanceof HTMLSelectElement || event.isComposing || event.metaKey || event.ctrlKey || event.altKey)
-    return
-  const card = stage.querySelector<HTMLElement>('.card')
-  const item = order[index]
-  const chosen = ['1', '2', '3'].indexOf(event.key)
-  if (card && item && chosen >= 0)
-    choose(card, item, labels[chosen]!)
-  else if (event.key === 'ArrowRight' || event.key === 'Enter')
-    move(1)
-  else if (event.key === 'ArrowLeft')
-    move(-1)
-  else
-    return
-  event.preventDefault()
-})
-previousButton.addEventListener('click', () => move(-1))
-nextButton.addEventListener('click', () => move(1))
-for (const select of [languageSelect, showSelect]) {
-  select.addEventListener('change', () => {
-    computeOrder()
-    renderCard('none')
-  })
-}
-
-async function load() {
-  const file = await (await fetch('/api/items')).json() as CalibrationFile
-  items = file.items
-  for (const language of [...new Set(items.map(item => item.language))].sort())
-    languageSelect.append(new Option(languageNames[language] ?? language, language))
-  computeOrder()
-  renderCard()
-}
-
-void load()
diff --git a/evals/tts-speech-formula/eval/evaluators/judge/calibration/style.css b/evals/tts-speech-formula/eval/evaluators/judge/calibration/style.css
deleted file mode 100644
index f3a3e623df..0000000000
--- a/evals/tts-speech-formula/eval/evaluators/judge/calibration/style.css
+++ /dev/null
@@ -1,548 +0,0 @@
-/*
- * Neutral surfaces with the AIRI default hue (220.44) as the accent, see DESIGN.md.
- * The label colors name a state only with the text and the check mark next to them.
- */
-:root {
-  color-scheme: light;
-  --hue: 220.44;
-  --bg: oklch(98.5% 0.004 var(--hue));
-  --surface: oklch(100% 0 0);
-  --surface-muted: oklch(96.5% 0.006 var(--hue));
-  --border: oklch(91% 0.008 var(--hue));
-  --border-strong: oklch(84% 0.012 var(--hue));
-  --text: oklch(24% 0.015 var(--hue));
-  --muted: oklch(52% 0.015 var(--hue));
-  --primary: oklch(62% 0.14 var(--hue));
-  --primary-soft: oklch(94% 0.04 var(--hue));
-  --natural: oklch(62% 0.15 150);
-  --natural-soft: oklch(95% 0.05 150);
-  --mixed: oklch(70% 0.15 70);
-  --mixed-soft: oklch(96% 0.05 80);
-  --spelled: oklch(60% 0.18 25);
-  --spelled-soft: oklch(95% 0.04 25);
-  --shadow: 0 1px 2px oklch(20% 0.02 var(--hue) / 6%), 0 8px 24px oklch(20% 0.02 var(--hue) / 6%);
-  --radius: 14px;
-  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
-}
-
-@media (prefers-color-scheme: dark) {
-  :root {
-    color-scheme: dark;
-    --bg: oklch(17% 0.01 var(--hue));
-    --surface: oklch(21% 0.012 var(--hue));
-    --surface-muted: oklch(25% 0.012 var(--hue));
-    --border: oklch(30% 0.012 var(--hue));
-    --border-strong: oklch(38% 0.015 var(--hue));
-    --text: oklch(94% 0.006 var(--hue));
-    --muted: oklch(70% 0.012 var(--hue));
-    --primary: oklch(72% 0.13 var(--hue));
-    --primary-soft: oklch(30% 0.05 var(--hue));
-    --natural-soft: oklch(30% 0.06 150);
-    --mixed-soft: oklch(32% 0.06 80);
-    --spelled-soft: oklch(30% 0.06 25);
-    --shadow: 0 1px 2px oklch(0% 0 0 / 30%), 0 8px 24px oklch(0% 0 0 / 25%);
-  }
-}
-
-* {
-  box-sizing: border-box;
-}
-
-body {
-  margin: 0;
-  background: var(--bg);
-  color: var(--text);
-  font: 15px/1.6 ui-sans-serif, system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Hiragino Sans', 'Apple SD Gothic Neo', sans-serif;
-  -webkit-font-smoothing: antialiased;
-}
-
-main {
-  max-width: 880px;
-  margin: 0 auto;
-  padding: 28px 16px 72px;
-}
-
-kbd {
-  display: inline-grid;
-  place-items: center;
-  min-width: 1.6em;
-  height: 1.6em;
-  padding: 0 0.4em;
-  border: 1px solid var(--border-strong);
-  border-bottom-width: 2px;
-  border-radius: 6px;
-  background: var(--surface);
-  color: var(--muted);
-  font: 600 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
-}
-
-/* Header */
-
-.top {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 16px;
-  align-items: flex-end;
-  justify-content: space-between;
-  margin-bottom: 20px;
-}
-
-.title {
-  flex: 1 1 280px;
-}
-
-h1 {
-  margin: 0;
-  font-size: 22px;
-  font-weight: 650;
-  letter-spacing: -0.01em;
-}
-
-.stats {
-  margin: 2px 0 10px;
-  color: var(--muted);
-  font-size: 13px;
-}
-
-.progress {
-  height: 6px;
-  border-radius: 999px;
-  background: var(--surface-muted);
-  overflow: hidden;
-}
-
-.progress-bar {
-  width: 0;
-  height: 100%;
-  border-radius: inherit;
-  background: var(--primary);
-  transition: width 400ms var(--ease);
-}
-
-.filters {
-  display: flex;
-  gap: 10px;
-}
-
-.field {
-  display: grid;
-  gap: 4px;
-  font-size: 12px;
-  color: var(--muted);
-}
-
-select {
-  appearance: none;
-  min-width: 150px;
-  padding: 8px 32px 8px 12px;
-  border: 1px solid var(--border);
-  border-radius: 10px;
-  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
-  color: var(--text);
-  font: inherit;
-  font-size: 14px;
-  cursor: pointer;
-  transition: border-color 150ms var(--ease), box-shadow 150ms var(--ease);
-}
-
-select:hover {
-  border-color: var(--border-strong);
-}
-
-/* Buttons */
-
-.button,
-.choice {
-  font: inherit;
-  color: inherit;
-  cursor: pointer;
-  user-select: none;
-  -webkit-tap-highlight-color: transparent;
-  transition:
-    background-color 150ms var(--ease),
-    border-color 150ms var(--ease),
-    color 150ms var(--ease),
-    box-shadow 150ms var(--ease),
-    transform 120ms var(--ease);
-}
-
-.button {
-  display: inline-flex;
-  align-items: center;
-  gap: 8px;
-  padding: 8px 14px;
-  border: 1px solid var(--border);
-  border-radius: 10px;
-  background: var(--surface);
-  font-size: 14px;
-  font-weight: 500;
-}
-
-.button:hover:not(:disabled) {
-  border-color: var(--border-strong);
-  background: var(--surface-muted);
-}
-
-.button:active:not(:disabled),
-.choice:active {
-  transform: scale(0.97);
-}
-
-.button:disabled {
-  opacity: 0.4;
-  cursor: default;
-}
-
-.button.ghost {
-  border-color: transparent;
-  background: transparent;
-  color: var(--muted);
-  padding-inline: 10px;
-}
-
-.button.ghost:hover {
-  background: var(--surface-muted);
-  color: var(--text);
-}
-
-:is(.button, .choice, select, textarea):focus-visible {
-  outline: none;
-  box-shadow: 0 0 0 3px oklch(from var(--primary) l c h / 35%);
-}
-
-/* Card */
-
-.stage {
-  position: relative;
-}
-
-.card {
-  padding: 24px;
-  border: 1px solid var(--border);
-  border-radius: var(--radius);
-  background: var(--surface);
-  box-shadow: var(--shadow);
-}
-
-.card.enter-next {
-  animation: enter-next 260ms var(--ease);
-}
-
-.card.enter-previous {
-  animation: enter-previous 260ms var(--ease);
-}
-
-@keyframes enter-next {
-  from { opacity: 0; transform: translateX(24px); }
-}
-
-@keyframes enter-previous {
-  from { opacity: 0; transform: translateX(-24px); }
-}
-
-.meta {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 6px;
-  margin-bottom: 8px;
-}
-
-.chip {
-  padding: 2px 10px;
-  border-radius: 999px;
-  background: var(--surface-muted);
-  color: var(--muted);
-  font-size: 12px;
-  font-weight: 500;
-}
-
-.chip.strong {
-  background: var(--primary-soft);
-  color: var(--primary);
-}
-
-.formula {
-  overflow-x: auto;
-  padding: 8px 0;
-  font-size: 1.15em;
-}
-
-.formula .katex-display {
-  margin: 0.6em 0;
-}
-
-.formula-error {
-  color: var(--muted);
-  font-size: 13px;
-}
-
-.source {
-  display: block;
-  padding: 8px 12px;
-  border-radius: 8px;
-  background: var(--surface-muted);
-  color: var(--muted);
-  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
-  white-space: pre-wrap;
-  word-break: break-all;
-}
-
-.spoken {
-  margin: 18px 0;
-  padding: 18px 20px;
-  border-left: 3px solid var(--primary);
-  border-radius: 4px 12px 12px 4px;
-  background: var(--primary-soft);
-  font-size: 21px;
-  line-height: 1.7;
-  word-break: break-word;
-}
-
-.language-warning {
-  margin: -8px 0 16px;
-  padding: 8px 12px;
-  border-radius: 8px;
-  background: var(--spelled-soft);
-  color: var(--text);
-  font-size: 13px;
-}
-
-/* Label choices */
-
-.choices {
-  display: grid;
-  grid-template-columns: repeat(3, 1fr);
-  gap: 10px;
-}
-
-.choice {
-  position: relative;
-  display: grid;
-  grid-template-columns: auto 1fr;
-  grid-template-rows: auto auto;
-  column-gap: 10px;
-  align-items: center;
-  padding: 12px 14px;
-  border: 1.5px solid var(--border);
-  border-radius: 12px;
-  background: var(--surface);
-  text-align: left;
-}
-
-.choice kbd {
-  grid-row: span 2;
-}
-
-.choice-name {
-  font-weight: 650;
-}
-
-.choice-help {
-  color: var(--muted);
-  font-size: 12px;
-}
-
-.choice:hover {
-  border-color: var(--border-strong);
-  background: var(--surface-muted);
-}
-
-.choice[aria-checked='true']::after {
-  content: '✓';
-  position: absolute;
-  top: 8px;
-  right: 12px;
-  font-weight: 700;
-}
-
-.choice[data-label='natural'][aria-checked='true'] {
-  border-color: var(--natural);
-  background: var(--natural-soft);
-}
-
-.choice[data-label='mixed'][aria-checked='true'] {
-  border-color: var(--mixed);
-  background: var(--mixed-soft);
-}
-
-.choice[data-label='spelled'][aria-checked='true'] {
-  border-color: var(--spelled);
-  background: var(--spelled-soft);
-}
-
-.choice[data-label='natural'][aria-checked='true']::after { color: var(--natural); }
-.choice[data-label='mixed'][aria-checked='true']::after { color: var(--mixed); }
-.choice[data-label='spelled'][aria-checked='true']::after { color: var(--spelled); }
-
-/* A short pulse confirms the choice where the eye already is. */
-.choice.pulse {
-  animation: pulse 320ms var(--ease);
-}
-
-@keyframes pulse {
-  40% { transform: scale(1.03); }
-}
-
-/* Note and judge */
-
-.note {
-  display: grid;
-  gap: 6px;
-  margin-top: 18px;
-  color: var(--muted);
-  font-size: 12px;
-  font-weight: 500;
-}
-
-textarea {
-  width: 100%;
-  min-height: 64px;
-  padding: 10px 12px;
-  border: 1px solid var(--border);
-  border-radius: 10px;
-  background: var(--surface);
-  color: var(--text);
-  font: inherit;
-  font-size: 14px;
-  resize: vertical;
-  transition: border-color 150ms var(--ease), box-shadow 150ms var(--ease);
-}
-
-textarea:hover {
-  border-color: var(--border-strong);
-}
-
-.judge,
-.note-preview {
-  margin-top: 14px;
-  padding: 12px 14px;
-  border-radius: 10px;
-  font-size: 14px;
-  animation: reveal 220ms var(--ease);
-}
-
-.note-preview {
-  background: var(--surface-muted);
-}
-
-.judge {
-  border: 1px solid var(--border);
-}
-
-.judge.agree {
-  border-color: var(--natural);
-  background: var(--natural-soft);
-}
-
-.judge.disagree {
-  border-color: var(--spelled);
-  background: var(--spelled-soft);
-}
-
-.judge-head {
-  display: flex;
-  gap: 8px;
-  align-items: center;
-  margin-bottom: 4px;
-  font-weight: 600;
-}
-
-@keyframes reveal {
-  from { opacity: 0; transform: translateY(-4px); }
-}
-
-.markdown > :first-child { margin-top: 0; }
-.markdown > :last-child { margin-bottom: 0; }
-.markdown p { margin: 0.3em 0; }
-.markdown code {
-  padding: 0.1em 0.35em;
-  border-radius: 5px;
-  background: oklch(from var(--text) l c h / 8%);
-  font: 0.92em ui-monospace, SFMono-Regular, Menlo, monospace;
-}
-.markdown ul,
-.markdown ol { margin: 0.3em 0; padding-left: 1.4em; }
-
-.tools {
-  display: flex;
-  justify-content: flex-end;
-  margin-top: 10px;
-}
-
-/* Pager and hint */
-
-.pager {
-  display: flex;
-  gap: 12px;
-  align-items: center;
-  justify-content: space-between;
-  margin-top: 16px;
-}
-
-.position {
-  color: var(--muted);
-  font-size: 13px;
-  font-variant-numeric: tabular-nums;
-}
-
-.hint {
-  margin-top: 20px;
-  color: var(--muted);
-  font-size: 13px;
-  text-align: center;
-}
-
-.empty {
-  padding: 48px 24px;
-  color: var(--muted);
-  text-align: center;
-}
-
-/* Toast */
-
-.toast {
-  position: fixed;
-  top: 20px;
-  right: 20px;
-  padding: 10px 16px;
-  border-radius: 999px;
-  background: var(--text);
-  color: var(--bg);
-  font-size: 13px;
-  box-shadow: var(--shadow);
-  opacity: 0;
-  pointer-events: none;
-  transform: translateY(-8px);
-  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
-}
-
-.toast.visible {
-  opacity: 1;
-  transform: translateY(0);
-}
-
-.toast.error {
-  background: var(--spelled);
-  color: white;
-}
-
-/* Small screens */
-
-@media (max-width: 640px) {
-  .filters { width: 100%; }
-  .field { flex: 1; }
-  select { min-width: 0; width: 100%; }
-  .card { padding: 18px 16px; }
-  .spoken { font-size: 18px; }
-  .choices { grid-template-columns: 1fr; }
-  .pager .button { padding-inline: 10px; }
-}
-
-@media (prefers-reduced-motion: reduce) {
-  *,
-  *::before,
-  *::after {
-    animation: none !important;
-    transition: none !important;
-  }
-}
diff --git a/evals/tts-speech-formula/eval/evaluators/judge/calibration/vite.config.ts b/evals/tts-speech-formula/eval/evaluators/judge/calibration/vite.config.ts
deleted file mode 100644
index 77b7e7f766..0000000000
--- a/evals/tts-speech-formula/eval/evaluators/judge/calibration/vite.config.ts
+++ /dev/null
@@ -1,90 +0,0 @@
-import type { Plugin } from 'vite'
-
-import type { CalibrationFile, ReadingLabel } from './types'
-
-import { readFile, rename, writeFile } from 'node:fs/promises'
-import { env } from 'node:process'
-import { fileURLToPath } from 'node:url'
-
-import { defineConfig } from 'vite'
-
-/** `CALIBRATION_FILE` points the tool at another file, for example a copy to test the tool without touching labels. */
-const calibrationFile = env.CALIBRATION_FILE ?? fileURLToPath(new URL('./calibration.json', import.meta.url))
-const labels = new Set<ReadingLabel>(['natural', 'mixed', 'spelled'])
-
-/**
- * Runs the updates of the file one at a time.
- *
- * Leaving a note box and clicking a label sends two saves at once. Two read-modify-write updates that overlap wrote
- * over each other and left two JSON documents in one file, so every update waits for the one before it. The new
- * file is written next to the old one and renamed over it, so a failed write never leaves half a file.
- */
-let updates: Promise<unknown> = Promise.resolve()
-function update(change: (file: CalibrationFile) => boolean): Promise<boolean> {
-  const run = updates.then(async () => {
-    const file = JSON.parse(await readFile(calibrationFile, 'utf8')) as CalibrationFile
-    if (!change(file))
-      return false
-    const partial = `${calibrationFile}.partial`
-    await writeFile(partial, `${JSON.stringify(file, null, 2)}\n`)
-    await rename(partial, calibrationFile)
-    return true
-  })
-  updates = run.catch(() => undefined)
-  return run
-}
-
-/**
- * Serves `calibration.json` to the page and writes each label back to it.
- *
- * - `GET /api/items` returns the file.
- * - `POST /api/items` with `{ id, label, note }` sets the label of one item. `label: null` clears it.
- *
- * The file is the only state, so a label is saved as soon as the person chooses it.
- */
-function calibrationApi(): Plugin {
-  return {
-    name: 'calibration-api',
-    configureServer(server) {
-      server.middlewares.use('/api/items', async (request, response) => {
-        if (request.method === 'GET') {
-          response.setHeader('content-type', 'application/json')
-          response.end(await readFile(calibrationFile, 'utf8'))
-          return
-        }
-        if (request.method !== 'POST') {
-          response.statusCode = 405
-          response.end()
-          return
-        }
-
-        let body = ''
-        for await (const chunk of request)
-          body += chunk
-        const { id, label, note } = JSON.parse(body) as { id: string, label: ReadingLabel | null, note: string }
-        if (label !== null && !labels.has(label)) {
-          response.statusCode = 400
-          response.end('unknown label')
-          return
-        }
-        const found = await update((file) => {
-          const item = file.items.find(candidate => candidate.id === id)
-          if (!item)
-            return false
-          item.label = label
-          item.note = note
-          return true
-        })
-        response.statusCode = found ? 200 : 404
-        response.end(found ? 'ok' : 'unknown item')
-      })
-    },
-  }
-}
-
-/** The labeling tool of the judge calibration set. Run: pnpm -F @proj-airi/evals-tts-speech-formula run judge:label */
-export default defineConfig({
-  root: fileURLToPath(new URL('.', import.meta.url)),
-  plugins: [calibrationApi()],
-  server: { port: Number(env.CALIBRATION_PORT ?? 5299), open: !env.CALIBRATION_FILE },
-})
diff --git a/evals/tts-speech-formula/package.json b/evals/tts-speech-formula/package.json
index 2d32fc9456..38d229d539 100644
--- a/evals/tts-speech-formula/package.json
+++ b/evals/tts-speech-formula/package.json
@@ -24,15 +24,14 @@
     "eval:compare": "pnpm -F @proj-airi/core-agent build && vieval run --config ./vieval.config.ts --with-viewer",
     "typecheck": "tsc --noEmit",
     "cases:math-bridge": "tsx eval/cases/math-bridge/fetch.ts",
-    "judge:collect": "tsx eval/evaluators/judge/calibration/collect.ts",
-    "judge:label": "vite --config eval/evaluators/judge/calibration/vite.config.ts"
+    "judge:collect": "tsx eval/evaluators/judge/calibration/collect.ts"
   },
   "dependencies": {
     "@cortex-js/compute-engine": "catalog:",
     "@duckdb/duckdb-wasm": "catalog:",
     "@moeru/std": "catalog:",
     "@proj-airi/core-agent": "workspace:^",
-    "@proj-airi/duckdb-wasm": "catalog:",
+    "@proj-airi/drizzle-duckdb-wasm": "catalog:",
     "@proj-airi/mathjson": "workspace:^",
     "@proj-airi/speech-transformer-math": "workspace:^",
     "@velin-dev/core-vue": "catalog:",
@@ -41,6 +40,7 @@
     "@xsai/generate-speech": "catalog:",
     "@xsai/generate-text": "catalog:",
     "@xsai/generate-transcription": "catalog:",
+    "drizzle-orm": "catalog:",
     "katex": "catalog:",
     "speech-rule-engine": "catalog:",
     "valibot": "catalog:",
@@ -52,12 +52,7 @@
   },
   "devDependencies": {
     "@types/node": "catalog:",
-    "rehype-stringify": "catalog:",
-    "remark-parse": "catalog:",
-    "remark-rehype": "catalog:",
-    "unified": "catalog:",
     "vieval": "catalog:",
-    "vite": "catalog:",
     "vitest": "catalog:vitest"
   }
 }
diff --git a/packages/core-agent/src/voice/output/speech-transformation/language.ts b/packages/core-agent/src/voice/output/speech-transformation/language.ts
index b4c72604ef..5c28d8330a 100644
--- a/packages/core-agent/src/voice/output/speech-transformation/language.ts
+++ b/packages/core-agent/src/voice/output/speech-transformation/language.ts
@@ -1,14 +1,8 @@
-/**
- * The primary language subtag of a BCP 47 code: `zh` for `zh-CN`, `ko` for `ko_KR`. Chinese dialect codes are `zh`,
- * because the readers have one Chinese pack.
- */
+import { primaryLanguage } from '@proj-airi/speech-transformer-math'
+
+/** The primary language subtag of a BCP 47 code, see `primaryLanguage` of `@proj-airi/speech-transformer-math`. */
 export function toSpeechLanguage(code: string | undefined): string | undefined {
-  if (code === undefined)
-    return undefined
-  const primary = code.toLowerCase().split(/[-_]/)[0] ?? ''
-  if (primary === 'cmn' || primary === 'yue')
-    return 'zh'
-  return primary || undefined
+  return code === undefined ? undefined : primaryLanguage(code) || undefined
 }
 
 const kana = /[\p{Script=Hiragana}\p{Script=Katakana}]/u
diff --git a/packages/speech-transformer-math/src/index.ts b/packages/speech-transformer-math/src/index.ts
index d915220962..f5fce016ff 100644
--- a/packages/speech-transformer-math/src/index.ts
+++ b/packages/speech-transformer-math/src/index.ts
@@ -10,7 +10,7 @@ export { lowerMath } from './lower'
 export { spellNumber } from './numbers'
 export { parseMath } from './parse'
 export { renderMath } from './render'
-export { builtinLocales, MathSpeech } from './speech'
+export { builtinLocales, MathSpeech, primaryLanguage } from './speech'
 export type { MathSpeechOptions } from './speech'
 export { texCommands } from './tex'
 export type { TexNode } from './tex'
diff --git a/packages/speech-transformer-math/src/speech.ts b/packages/speech-transformer-math/src/speech.ts
index 11e88d6eb7..751563b682 100644
--- a/packages/speech-transformer-math/src/speech.ts
+++ b/packages/speech-transformer-math/src/speech.ts
@@ -26,8 +26,11 @@ export interface MathSpeechOptions {
   fallbackLanguage?: MathLanguage
 }
 
-/** The primary language subtag of a BCP 47 code: `zh` for `zh-CN`, `ko` for `ko_KR`. Chinese dialect codes are `zh`. */
-function primaryLanguage(code: string): string {
+/**
+ * The primary language subtag of a BCP 47 code: `zh` for `zh-CN`, `ko` for `ko_KR`. Chinese dialect codes are `zh`,
+ * because the readers have one Chinese pack.
+ */
+export function primaryLanguage(code: string): string {
   const primary = code.toLowerCase().split(/[-_]/)[0] ?? ''
   return primary === 'cmn' || primary === 'yue' ? 'zh' : primary
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 948f864f88..33e73e8625 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -405,9 +405,6 @@ catalogs:
     '@proj-airi/drizzle-duckdb-wasm':
       specifier: ^0.6.0
       version: 0.6.0
-    '@proj-airi/duckdb-wasm':
-      specifier: ^0.6.0
-      version: 0.6.0
     '@proj-airi/iconify-meteocons':
       specifier: ^0.1.5
       version: 0.1.5
@@ -3547,7 +3544,7 @@ importers:
       '@proj-airi/core-agent':
         specifier: workspace:^
         version: link:../../packages/core-agent
-      '@proj-airi/duckdb-wasm':
+      '@proj-airi/drizzle-duckdb-wasm':
         specifier: 'catalog:'
         version: 0.6.0(drizzle-orm@0.45.2(@electric-sql/pglite@0.5.6)(@opentelemetry/api@1.9.1)(@prisma/client@5.22.0)(@types/pg@8.23.1)(better-sqlite3@12.11.1)(kysely@0.29.5)(pg@8.23.0)(postgres@3.4.9))(web-worker@1.5.0)
       '@proj-airi/mathjson':
@@ -3574,6 +3571,9 @@ importers:
       '@xsai/generate-transcription':
         specifier: 'catalog:'
         version: 0.5.1
+      drizzle-orm:
+        specifier: 'catalog:'
+        version: 0.45.2(@electric-sql/pglite@0.5.6)(@opentelemetry/api@1.9.1)(@prisma/client@5.22.0)(@types/pg@8.23.1)(better-sqlite3@12.11.1)(kysely@0.29.5)(pg@8.23.0)(postgres@3.4.9)
       katex:
         specifier: 'catalog:'
         version: 0.19.0
@@ -3590,24 +3590,9 @@ importers:
       '@types/node':
         specifier: 'catalog:'
         version: 26.2.0
-      rehype-stringify:
-        specifier: 'catalog:'
-        version: 10.0.1
-      remark-parse:
-        specifier: 'catalog:'
-        version: 11.0.0(supports-color@10.2.2)
-      remark-rehype:
-        specifier: 'catalog:'
-        version: 11.1.2
-      unified:
-        specifier: 'catalog:'
-        version: 11.0.5
       vieval:
         specifier: 'catalog:'
         version: 0.10.3(@types/node@26.2.0)(@vitest/browser-playwright@4.1.11)(@vitest/coverage-v8@4.1.11)(chokidar@5.0.0)(dotenv@17.4.2)(electron@43.4.1(supports-color@10.2.2))(esbuild@0.28.2)(giget@3.3.1)(h3@2.0.2(crossws@0.4.12(srvx@1.0.5)))(hono@4.13.3)(jiti@2.7.0)(jsdom@30.0.1(@noble/hashes@2.3.0)(canvas@3.2.3))(less@4.9.0(supports-color@10.2.2))(magicast@0.5.4)(terser@5.50.0)(tsx@4.23.12)(typescript@6.0.3)(web-worker@1.5.0)(yaml@2.9.0)
-      vite:
-        specifier: 'catalog:'
-        version: 8.3.4(@types/node@26.2.0)(esbuild@0.28.2)(jiti@2.7.0)(less@4.9.0(supports-color@10.2.2))(terser@5.50.0)(tsx@4.23.12)(yaml@2.9.0)
       vitest:
         specifier: catalog:vitest
         version: 4.1.11(@opentelemetry/api@1.9.1)(@types/node@26.2.0)(@vitest/browser-playwright@4.1.11)(@vitest/coverage-v8@4.1.11)(jsdom@30.0.1(@noble/hashes@2.3.0)(canvas@3.2.3))(vite@8.3.4(@types/node@26.2.0)(esbuild@0.28.2)(jiti@2.7.0)(less@4.9.0(supports-color@10.2.2))(terser@5.50.0)(tsx@4.23.12)(yaml@2.9.0))
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index d1c566baa7..cc5b7097c3 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -189,7 +189,6 @@ catalog:
   '@pnpm/find-workspace-dir': ^1000.1.5
   '@proj-airi/chromatic': ^1.1.4
   '@proj-airi/drizzle-duckdb-wasm': ^0.6.0
-  '@proj-airi/duckdb-wasm': ^0.6.0
   '@proj-airi/iconify-meteocons': ^0.1.5
   '@proj-airi/lobe-icons': ^1.0.19
   '@proj-airi/unocss-preset-chromatic': ^1.1.4