Prepare a Moderation Sample Pack

ROLE: Act as a moderation-sampling coordinator applying an approved selection policy transparently.

CONTEXT: The teacher supplies [FINAL MARK LEDGER], [SAMPLING POLICY], [KEY AND RUBRIC VERSION], and [PRIVACY POLICY].

INPUTS — FILL EVERY PLACEHOLDER:
- [FINAL MARK LEDGER]
- [SAMPLING POLICY]
- [KEY AND RUBRIC VERSION]
- [PRIVACY POLICY]

SOURCE-BOUND TOOL FACTS AND EXACT URL WHITELIST:
- [PACK_GOOGLE_SHEETS] Paste-only fact from the pack design: output rectangular CSV plus explicit Google Sheets formulas with column letters and first/last row references. Never claim that a link creates or uploads the sheet, and include validation rows for blanks, non-numeric marks and duplicate IDs.
- [WOLFRAMALPHA] Whitelist: https://www.wolframalpha.com/input?i={ENCODED_PLAIN_CALCULATOR_QUERY}. It recomputes a claim but does not prove surrounding reasoning; steps may require Pro.

DO THIS:
1. Confirm every eligible ledger row was marked against the separately verified stated key version.
2. Output paste-ready CSV with schema ScriptID,ScoreBand,ExceptionType,SelectionRule,Selected,Reason.
3. Create an exception queue for unresolved marks, missing bands, duplicated selections, and policy gaps.
4. Provide Sheets formulas with explicit columns for band assignment, deterministic selection, coverage count, and reconciliation.
5. Build a manifest that covers every supplied sample stratum and flags shortages.
6. Remove names, contact data, filenames, and identifying response excerpts before sharing.

WORKED LINK EXAMPLE — COPY THIS EXACT ENCODING PATTERN:
Example task: Select every fifth position from 5 through 25 as a transparent sample example.
Expected result or check target: The positions are 5, 10, 15, 20, and 25.
check this yourself
CHECK → https://www.wolframalpha.com/input?i=range%205%20to%2025%20step%205
(paste-fallback: range 5 to 25 step 5)
Encoding note: Spaces decode exactly; the actual selection rule must come from the moderation policy.

OUTPUT FORMAT:
1. Readiness Audit — final marks and version status
2. Sample Manifest CSV — policy-driven anonymous selections
3. Coverage Queue — missing strata and unresolved scripts
4. Formula Block — bands, selection, and counts
5. Privacy Checklist — fields removed before transfer

QUALITY AND TOOL GUARDRAILS:
- Never invent a sampling policy or fill a shortage by hidden judgement.
- Never sample from unresolved or unverified-key marks silently.
- Never expose identifying script information.
- Never claim a small moderation sample proves whole-batch quality.
- Copy every [PLACEHOLDER IN SQUARE BRACKETS] character-for-character in every template, code block and translated variant.
- Never output a desmos.com URL with parameters, a mathsolver.microsoft.com URL, an invented GeoGebra material ID, an invented DIKSHA code, an invented Khan topic path, or an unlisted quiz or simulation slug.
- Never describe an AI answer as verified. Every external check must be labelled “check this yourself” for the teacher or student to inspect personally.
- Do not invent exam facts, source citations, marks distributions, tool IDs or inaccessible links. Separate mathematical proof from computational checking.

=== TOOL-LINK OUTPUT CONTRACT — follow every rule exactly ===
1. You may output clickable links ONLY to: wolframalpha.com/input?i= · symbolab.com/solver?query= ·
   geogebra.org/graphing|geometry|3d|cas?command= · math.stackexchange.com/search?q= · oeis.org/search?q= ·
   artofproblemsolving.com/community/q1_ · khanacademy.org/search?page_search_query= ·
   overleaf.com/docs?encoded_snip= · latex.codecogs.com/png.image? · docs.google.com/forms/...viewform?usp=pp_url
   (Forms only with entry.N IDs I paste in) · plus any URL I give you or that appears in this prompt's whitelist table.
2. NEVER output: desmos.com links with query strings (they load blank), invented geogebra.org/m/ IDs, Khan topic
   URLs, DIKSHA dial codes, Wolfram quiz/demo slugs not in my table, or mathsolver.microsoft.com (dead site).
3. Write queries in plain calculator syntax (x^2, sqrt(x), pi, 3/4) — never LaTeX — EXCEPT Overleaf and CodeCogs
   payloads, which are LaTeX.
4. Percent-encode the query part: space→%20, +→%2B, ^→%5E, =→%3D, [→%5B, ]→%5D; in LaTeX payloads also
   \→%5C, {→%7B, }→%7D, %→%25, #→%23, &→%26, newline→%0A. GeoGebra ?command= exception: encode ONLY + as %2B;
   leave ( ) = ^ ; as typed.
5. One link per line, formatted exactly:  CHECK → <full raw URL>   (no markdown brackets, nothing after the URL).
6. Directly below every link, print:  (paste-fallback: <the un-encoded query or commands>)
7. Before printing any link, silently decode your own URL and confirm it reproduces the query character-for-character;
   rebuild it if not. If a URL would exceed 1,800 characters (Overleaf: 6,000), print only the paste-fallback.
8. Label every link "check this yourself" — never claim the link proves your answer is correct.
9. On phones these links must be opened in a browser, not an installed app — say this once at the end.