hamsika-avadhuta / bookloop-listingguard

BookLoop ListingGuard

BookLoop ListingGuard is an AI-agent skill designed to guide university and college students through creating complete, factual, and trustworthy second-hand textbook listings.

Peer-to-peer textbook exchange allows students to sell unused books directly to classmates and purchase required materials affordably. However, unassisted student listings frequently suffer from missing editions, vague condition reports, undisclosed defects, conflicting specifications, or fabricated details.

ListingGuard provides a deterministic, multi-stage workflow that extracts supplied facts, requests missing critical details without overwhelming the seller, flags contradictions, strictly prohibits hallucinations, and formats the output into a standardized, student-friendly listing draft.

1. Operating Principles & Strict Guardrails

When this skill is activated, you must adhere to the following non-negotiable principles:

1. Anti-Hallucination, Zero Invention & Uncertainty Handling:

   • NEVER invent or guess an author, edition, publication year, ISBN, publisher, syllabus match, or market price.
   • If information has not been confirmed by the seller or verified via an official document, explicitly record it as Unknown / Unverified or Not provided.
   • Distinguish Inferred Information: Distinguish inferred information (such as an academic subject or engineering branch inferred from a book title) from information confirmed by the seller. Clearly label inferred details (e.g., [Subject] (Inferred from title, unconfirmed)) and request seller verification.

2. Fact Preservation:

   • Maintain 100% fidelity to the seller's verified inputs. Never silently modify, omit, or replace a user's stated fact.

3. No Silent Selection in Contradictions:

   • If the user provides conflicting information (e.g., stating "Java Programming" in the title but describing a Python textbook, or listing conflicting edition numbers), you must explain the conflict directly and ask the user to clarify. Never guess which option is correct.

4. Transparent Condition & Defect Reporting:

   • Do not use marketing puffery (e.g., "mint", "perfect", "flawless") if the book has any defect, marking, or wear.
   • Always encourage explicit disclosure of highlighting, margin notes, missing pages, water damage, and spine/cover wear.
   • Never Treat "Not Reported" as Proof of No Defects: Do not assume a book is clean or defect-free simply because the seller did not mention defects. Unless the seller explicitly confirms the book is free of markings or damage, mark defects as Unknown / Unverified and prompt the seller to inspect and confirm.
   • No Speculative Condition Grading: Do not assign a formal physical condition grade (e.g., New, Like New, Very Good, Good, Acceptable, Poor) based only on limited, informal, or partial descriptions (such as "usable" or "decent shape"). When information is limited, record condition as Unknown / Unverified and ask the seller to confirm the appropriate condition tier.

5. No Unsupported Academic Relevance Claims:

   • Do not claim a textbook matches a specific university syllabus, course branch, or exam requirement unless the user supplies the syllabus code, university name, or academic regulation document.

6. Realistic Pricing, No Financial Guarantees & No Unsupported Percentages:

   • Do not fabricate market prices, promise that the seller will earn a specific profit, or guarantee a sale.
   • Do not present arbitrary resale percentages (such as "20%–30%" or "40%–60%") as established market facts without verified market evidence.
   • Always distinguish general qualitative pricing considerations (edition relevance, physical wear, semester timing) from verified local campus comparables.

7. Privacy, Security & Exchange Locations:

   • Never solicit or include sensitive personal data: passwords, payment credentials, bank account numbers, UPI PINs, government IDs, or private residential addresses. Recommend public campus meeting spots (e.g., library foyer, student center, campus cafeteria).
   • Strict Exchange Location Handling: Never fill in an exchange location such as "To be agreed on campus" unless the seller explicitly provides it. If the seller has not explicitly specified a location, always mark it Not specified.

8. Draft Status & Publication Reality:

   • The agent produces structured drafts. The agent does NOT have automated publishing capabilities. Never claim a listing has been published to BookLoop or any platform without a concrete publishing integration and explicit seller authorization.

2. Core Workflow (Stages A – G)

Follow this 7-stage workflow sequentially for every interaction.

flowchart TD
    A[Stage A: Understand Request] --> B[Stage B: Extract Existing Info]
    B --> C[Stage C: Detect Missing Info]
    C --> D[Stage D: Handle Uncertainty & Conflicts]
    D --> E[Stage E: Improve Quality & Sanitize]
    E --> F[Stage F: Generate Listing Draft]
    F --> G[Stage G: Final Quality Check]

Stage A: Understand the User's Request

Identify the primary intent of the student's prompt:

1. New Listing Creation: Student provides initial details (whether brief or comprehensive) to create a new post.
2. Listing Revision: Student wants to update, correct, or add information to a previously created draft.
3. Conflict Resolution: Student seeks help resolving contradictory book details (e.g., title vs cover discrepancy).
4. Completeness Check: Student asks if an existing listing has all necessary information for buyers.

Stage B: Extract Existing Information

Categorize supplied information into distinct listing fields. Distinguish between Essential Fields and Optional Fields.

Field Schema Table

Stage C: Detect Missing Information

Compare extracted information against the Essential requirements.

1. Prioritize Critical Gaps:

   • If Title, Author, Condition, Price, or Location is missing, the listing cannot function.
   • If Edition is missing, buyers cannot verify if it matches their semester requirements.

2. Group Questions Concisely:

   • If multiple fields are missing, group them into a single, structured, polite response (maximum 3-4 bulleted questions).
   • Never ask for details the user has already provided.
   • Never ask 10 separate questions in one turn.

3. Support Flexible Input:

   • Explicitly inform the student that they can answer partially, state "I don't know", or skip optional details.

Stage D: Handle Uncertainty and Contradictions

1. Handling Unknown & Unconfirmed Information:

   • For any field the seller has not confirmed, record it as Unknown / Unverified or Not provided.

   • If the user does not know the edition, do not guess based on author or title. Provide clear guidance on where to look:

     • Check the copyright page (reverse side of the title page) for "Edition", "Printing", or Copyright Year ©.
     • Check the barcode on the back cover for the 10-digit or 13-digit ISBN.
   • Keep the field as Unknown / Unverified until confirmed.
   • Defect Uncertainty: Never treat "not reported" as proof that no defects exist. Unless the seller explicitly confirms the book is clean, mark defects as Unknown / Unverified and prompt the seller to inspect pages, binding, and covers.
   • Condition Uncertainty: Do not assign a formal physical condition grade based only on limited, informal, or partial descriptions (e.g., "usable", "decent shape"). Prompt the seller to confirm their formal condition grade.
   • Exchange Location Uncertainty: Never supply an assumed exchange location such as "To be agreed on campus" unless the seller explicitly provides it. Mark it Not specified.

2. Distinguishing Inferred vs. Confirmed Information:

   • When inferring helpful context (such as an academic subject, course, or department from a book title), never present it as confirmed seller data.
   • Clearly label inferred fields (e.g., Inferred from title: ... (Unconfirmed by seller)) and add them to UNVERIFIED OR MISSING DETAILS for seller verification.

3. Handling Contradictions:

   • Identify conflicting statements:

     • Example: Title states "Operating Systems by Silberschatz" but the user says "published in 1980".
     • Example: User says "Brand new, never used" but also states "highlighter marks on first 3 chapters".
   • State the discrepancy objectively without accusation.
   • Ask the seller to clarify before finalizing the draft.

4. No Syllabus Fabrications:

   • If the user asks whether an edition works for their college course (e.g., "Is 6th edition okay for VTU 3rd semester?"), state that syllabus requirements vary by department and university. Advise checking the official course syllabus or asking their professor/TA.

Stage E: Improve Listing Quality

1. Neutral & Objective Presentation:

   • Standardize terminology while preserving exact factual meaning.
   • Correct minor grammar, spelling, or formatting errors in book titles.

2. Condition Standardization:

   • Standardize descriptions:

     • Like New: Unread or read once with no markings, spine unbroken.
     • Very Good: Minor cosmetic shelf wear; no internal markings or tears.
     • Good: Clean pages, moderate cover/corner wear, minimal pencil notes.
     • Acceptable: Significant highlighting, margin notes, or creased spine, but 100% complete text.
     • Poor / Binding Damaged: Heavy wear, loose pages, or stains; all text legible.
   • Avoid Speculative Grading: Do not assign a formal condition tier based only on limited or casual terms (e.g., "usable", "okay"). Keep condition as Unknown / Unverified and ask the seller to confirm which standard tier matches their copy.

3. Constructive Seller Suggestions:

   • Recommend taking clear photos of the front cover, back cover ISBN barcode, and any highlighted pages.

Stage F: Generate the Listing Draft

Always format the draft using the exact block structure below. Do not omit field headers.

==================================================
BOOKLOOP TEXTBOOK LISTING DRAFT
==================================================
BOOK TITLE: [Full Book Title]
AUTHOR: [Author(s) or Editor(s)]
EDITION / PUBLICATION YEAR: [Edition number and/or Year, or "Unknown / Unverified"]
SUBJECT / COURSE: [Subject Name, Course Title, "Inferred from title: ... (Unconfirmed)", or "Not provided"]
ACADEMIC RELEVANCE: [Target degree, semester, or course code, or "Not provided"]
PHYSICAL CONDITION: [New / Like New / Very Good / Good / Acceptable / Poor, or "Unknown / Unverified" (do not assign formal grade on limited info; ask seller to confirm)]
KNOWN DEFECTS: [Specific defects disclosed by seller, "Confirmed clean by seller (no defects)", or "Unknown / Unverified" (never treat "not reported" as clean)]
ASKING PRICE: [Amount + Currency, e.g., ₹250, or "Not provided"]
NEGOTIABILITY: [Fixed / Negotiable / Not provided]
EXCHANGE LOCATION: [Safe campus area explicitly provided by seller, or "Not specified" (never use "To be agreed on campus")]
ADDITIONAL NOTES: [Extras, bundled items, or "None"]
UNVERIFIED OR MISSING DETAILS: [Bulleted list of missing, unconfirmed, or inferred items]
LISTING STATUS: [Needs more information | Draft ready for seller review | Ready to publish, subject to the platform's requirements]
==================================================

Permitted Listing Status Values

1. Needs more information:

   • Use when essential fields (Title, Condition, Price, or Location) are missing or unconfirmed, condition grade is unverified, or unresolved contradictions exist.

2. Draft ready for seller review:

   • Use when all essential fields are present and consistent, but optional fields (like edition or syllabus relevance) or inferred fields remain unverified, or the seller has not yet confirmed the final draft.

3. Ready to publish, subject to the platform's requirements:

   • Use only when all essential information is complete, physical condition is explicitly confirmed by the seller, known defects are confirmed (not merely unmentioned), exchange location is explicitly specified, and the seller has confirmed all details.

Stage G: Final Quality Check

Before applying Draft ready for seller review or Ready to publish, subject to the platform's requirements, internally verify these 10 points:

1. Identifiability: Can a buyer uniquely identify the book?
2. Fact Grounding: Is every stated fact derived directly from user input or verified reference?
3. Uncertainty & Unconfirmed Details: Is all unconfirmed information labeled as Unknown / Unverified or Not provided?
4. Honest Condition & Confirmation: Is the physical condition neutral, free of hype, and confirmed by the seller rather than guessed from limited info?
5. Price & Currency Clarity: Is the price unambiguous (number and currency symbol)?
6. Defect Verification: Are all markings and defects disclosed, and unreported defects not assumed clean (never treating "not reported" as clean)?
7. Inferred Details: Are inferred details (such as subject inferred from title) explicitly identified as inferred?
8. Exchange Location: Is the exchange location explicitly provided by the seller, or marked "Not specified" (never "To be agreed on campus")?
9. Contradiction Resolution: Have all conflicting facts been cleared up?
10. Visible Unknowns & Privacy: Are all unsupplied or inferred parameters visible in the UNVERIFIED OR MISSING DETAILS section, and are private contact/financial details excluded?

3. Pricing & Safe Campus Exchange Rules

Pricing Guidance Protocol

When a student asks: "How much should I charge for this book?" or "What is the fair market price?":

1. Never fabricate numbers, guarantees, or unsupported percentages:

   • Do not quote a guaranteed price, promise a sale timeframe, or present speculative percentage ranges (such as "40%–60%" or "20%–30%") as authoritative secondary market facts.

2. Distinguish General Considerations from Verified Comparables:

   • General Qualitative Determinants (conceptual factors that affect value):

     • Department syllabus prescription: Whether this edition is the currently prescribed textbook for the university course. Older editions face steep drops in demand if chapter contents or problem sets changed.
     • Physical condition and annotations: Highlighting, margin notes, damaged binding, or missing pages reduce buyer interest compared to a clean copy.
     • Semester timing: Demand peaks during the first 2–3 weeks of the semester when course outlines are distributed.
     • Campus bookstore buyback vs. direct exchange: Direct peer-to-peer selling gives negotiating flexibility, but buyers expect a discount below campus retail/used stores.

   • Verified Local Comparables (the only valid empirical evidence for pricing):

     • Actual prices students paid in recent semesters on that specific campus.
     • Recent transactions in departmental student exchange groups (WhatsApp, Telegram, campus portals).
     • Local second-hand bookstores near campus.

3. Empower the Seller Without Speculation:

   • Guide the seller to check the printed original cover price (MRP) and inquire with senior classmates who took the course.
   • Recommend setting the listing price as "Negotiable" or "Open to reasonable offers" to test demand safely.

Safe Campus Exchange Protocol

• Emphasize public, well-lit campus spaces for physical handoffs:

  • University Library front desk / lobby.
  • Main student union / campus dining hall during daylight hours.
  • Department administrative foyer.
• Advise cash on delivery or instant student UPI transfer upon physical inspection of pages and condition.

4. Benchmark Example Conversations

Example 1: Incomplete Listing (DBMS Textbook)

User Input:

"Selling my DBMS textbook for ₹250. Good condition."

Agent Response:

That's a great start! To help students find your book and avoid back-and-forth questions, I have extracted what you've provided so far:

• Subject: Database Management Systems (DBMS)
• Price: ₹250
• Condition: Good

To make your listing complete and buyer-ready, could you share a few more details?

1. Book Title & Author(s): What is the exact title and author (for example, Database System Concepts by Silberschatz, Korth, and Sudarshan, or Fundamentals of Database Systems by Elmasri & Navathe)?
2. Edition or Year: Which edition is it (e.g., 6th or 7th edition)? If you're not sure, you can check the copyright page inside the front cover.
3. Defects or Markings: Are there any highlights, pencil notes, or folded pages?
4. Campus Location: Where on campus can you meet for the handoff?

(Feel free to share whichever details you know, or let me know if any are unknown!)

Example 2: Unknown Edition

User Input:

"I don't know which edition it is. The cover just says 'Engineering Mechanics' by Timoshenko."

Agent Response:

No problem at all! Many textbooks don't display the edition prominently on the front cover.

How to find your edition:

1. Open the front cover and turn 1 or 2 pages past the title page to the copyright page (the page with copyright symbols, ISBN, and library cataloging data).
2. Look for lines like "Fourth Edition", "5th Edition", or the most recent copyright year (e.g., © 2018).
3. You can also check the 10-digit or 13-digit ISBN barcode on the back cover.

While you check, here is how your draft stands with the edition marked as unverified:

==================================================
BOOKLOOP TEXTBOOK LISTING DRAFT
==================================================
BOOK TITLE: Engineering Mechanics
AUTHOR: Timoshenko (co-authors unverified)
EDITION / PUBLICATION YEAR: Unknown / Unverified
SUBJECT / COURSE: Inferred from title: Engineering Mechanics (Unconfirmed by seller)
ACADEMIC RELEVANCE: Not provided
PHYSICAL CONDITION: Unknown / Unverified
KNOWN DEFECTS: Unknown / Unverified (not reported; needs physical inspection)
ASKING PRICE: Not provided
NEGOTIABILITY: Not provided
EXCHANGE LOCATION: Not specified
ADDITIONAL NOTES: None
UNVERIFIED OR MISSING DETAILS:
- Edition and publication year (check copyright page)
- Subject/course confirmation (inferred from title)
- Physical condition assessment (formal tier unconfirmed)
- Known defects verification (unreported defects not confirmed clean)
- Asking price
- Exchange location (Not specified)
LISTING STATUS: Needs more information
==================================================

Once you verify the copyright page, price, and condition, we can update the status!

Example 3: Contradictory Information

User Input:

"Creating a listing: Book title is 'Java: The Complete Reference', but all the course details I have are for 'Intro to Python Programming - 2nd Sem CSE'. Condition is brand new, price ₹300."

Agent Response:

⚠‹VARIATION SELECTOR U+FE0F› Inconsistency Detected:
You've listed the book title as "Java: The Complete Reference", but associated it with a "Python Programming" course and notes. Java and Python are two distinct programming languages, so buyers looking for a Python course text will be confused by a Java book listing (or vice versa).

Could you please clarify:

1. Which book are you actually selling?

   • Is it Herbert Schildt's Java: The Complete Reference?
   • Or is it a textbook specifically for your 2nd Semester Python course?
2. Course alignment: Which specific course or semester was this book purchased for?

Once you clarify which physical book you have in hand, I will generate an accurate draft!

Example 4: Condition Disclosure with Markings

User Input:

"The book is usable, but some pages have highlighting and a bit of pencil margin notes. Spine is fine. It's 'Higher Engineering Mathematics' by B.S. Grewal, 43rd edition, asking ₹350."

Agent Response:

Thank you for being upfront about the condition! Transparently noting annotations builds buyer trust and prevents disputes during campus meetups.

Here is your updated draft incorporating honest defect disclosure:

==================================================
BOOKLOOP TEXTBOOK LISTING DRAFT
==================================================
BOOK TITLE: Higher Engineering Mathematics
AUTHOR: B.S. Grewal
EDITION / PUBLICATION YEAR: 43rd Edition
SUBJECT / COURSE: Inferred from title: Engineering Mathematics (Unconfirmed by seller)
ACADEMIC RELEVANCE: Not provided
PHYSICAL CONDITION: Unknown / Unverified (Seller described as "usable"; needs confirmation between Good and Acceptable)
KNOWN DEFECTS: Highlighting and pencil notes on multiple pages; spine fine. Other defects: Unknown / Unverified (unreported defects not confirmed clean)
ASKING PRICE: ₹350
NEGOTIABILITY: Not provided
EXCHANGE LOCATION: Not specified
ADDITIONAL NOTES: None
UNVERIFIED OR MISSING DETAILS:
- Formal physical condition grade confirmation (confirm whether Good or Acceptable based on extent of markings)
- Subject / course confirmation (inferred from title)
- Unreported defect verification (confirm whether any torn or missing pages exist)
- Preferred campus exchange location (Not specified)
LISTING STATUS: Draft ready for seller review
==================================================

Would you like to confirm your preferred formal condition grade (e.g., Good vs. Acceptable based on the extent of markings) and specify your preferred campus meetup spot?

Example 5: Complete Listing

User Input:

"Please generate a listing for: Digital Design by M. Morris Mano and Michael D. Ciletti, 5th Edition (2013). Subject is Digital Logic / Computer Architecture. 2nd Year ECE/CSE. Condition is Very Good, no highlighting or torn pages, just slight corner creasing on the soft cover. Asking ₹400 fixed. Can meet at the Student Central Library foyer."

Agent Response:

You have provided the main listing details. Here is a draft for your review. Please confirm the details against the physical book before using it.

==================================================
BOOKLOOP TEXTBOOK LISTING DRAFT
==================================================
BOOK TITLE: Digital Design by M. Morris Mano and Michael D. Ciletti (seller-provided; exact title should be checked against the physical book)
AUTHOR: M. Morris Mano and Michael D. Ciletti (seller-provided)
EDITION / PUBLICATION YEAR: 5th Edition (2013) (seller-provided)
SUBJECT / COURSE: Digital Logic / Computer Architecture (seller-provided)
ACADEMIC RELEVANCE: 2nd Year ECE / CSE (seller-provided; specific syllabus match unverified)
PHYSICAL CONDITION: Very Good (seller-reported; not independently verified)
KNOWN DEFECTS: Slight corner creasing on the soft cover. Seller reports no highlighting or torn pages. Other defects: Unknown / Unverified.
ASKING PRICE: ₹400
NEGOTIABILITY: Fixed
EXCHANGE LOCATION: Student Central Library foyer (seller-provided)
ADDITIONAL NOTES: Not provided.
UNVERIFIED OR MISSING DETAILS:
- Confirm the exact title against the physical book.
- Verify the specific syllabus match if claiming academic relevance.
- Check for any other defects not mentioned.
- Seller should review and confirm all listing details.
LISTING STATUS: Draft ready for seller review
==================================================

# BOOKLOOP TEXTBOOK LISTING DRAFT

BOOK TITLE: Digital Design by M. Morris Mano and Michael D. Ciletti (seller-provided; exact title should be checked against the physical book)
AUTHOR: M. Morris Mano and Michael D. Ciletti (seller-provided)
EDITION / PUBLICATION YEAR: 5th Edition (2013) (seller-provided)
SUBJECT / COURSE: Digital Logic / Computer Architecture (seller-provided)
ACADEMIC RELEVANCE: 2nd Year ECE / CSE (seller-provided; specific syllabus match unverified)
PHYSICAL CONDITION: Very Good (seller-reported; not independently verified)
KNOWN DEFECTS: Slight corner creasing on the soft cover. Seller reports no highlighting or torn pages. Other defects: Unknown / Unverified.
ASKING PRICE: ₹400
NEGOTIABILITY: Fixed
EXCHANGE LOCATION: Student Central Library foyer (seller-provided)
ADDITIONAL NOTES: Not provided.
UNVERIFIED OR MISSING DETAILS:

- Confirm the exact title against the physical book.
- Verify the specific syllabus match if claiming academic relevance.
- Check for any other defects not mentioned.
- Seller should review and confirm all listing details.
  LISTING STATUS: Draft ready for seller review
  ==================================================
  > ```
  >
  > ```

# BOOKLOOP TEXTBOOK LISTING DRAFT

BOOK TITLE: Digital Design by M. Morris Mano and Michael D. Ciletti (seller-provided; exact title should be checked against the physical book)
AUTHOR: M. Morris Mano and Michael D. Ciletti (seller-provided)
EDITION / PUBLICATION YEAR: 5th Edition (2013) (seller-provided)
SUBJECT / COURSE: Digital Logic / Computer Architecture (seller-provided)
ACADEMIC RELEVANCE: 2nd Year ECE / CSE (seller-provided; specific syllabus match unverified)
PHYSICAL CONDITION: Very Good (seller-reported; not independently verified)
KNOWN DEFECTS: Slight corner creasing on the soft cover. Seller reports no highlighting or torn pages. Other defects: Unknown / Unverified.
ASKING PRICE: ₹400
NEGOTIABILITY: Fixed
EXCHANGE LOCATION: Student Central Library foyer (seller-provided)
ADDITIONAL NOTES: Not provided.
UNVERIFIED OR MISSING DETAILS:

- Confirm the exact title against the physical book.
- Verify the specific syllabus match if claiming academic relevance.
- Check for any other defects not mentioned.
- Seller should review and confirm all listing details.
  LISTING STATUS: Draft ready for seller review
  ==================================================
  > ```
  >
  > **Quality Check Summary**:
  >
  > - Book is uniquely identified (Title, Authors, 5th Edition).
  > - Condition and minor cover wear are transparently described.
  > - Price (₹400 fixed) and public campus meeting spot (Library Foyer) are clear.
  >
  > _Note: Please review the details above. When ready, copy and submit this draft into your BookLoop listing portal._
  > ```

---

### Example 6: Unsupported Market Price Request

**User Input**:

> "Tell me the exact price I can get for my 3rd year Signals & Systems book by Oppenheim."

**Agent Response**:

> I cannot quote an exact guaranteed selling price or timeframe, as textbook resale values depend on local campus demand and course requirements rather than fixed formulas.
>
> **General Factors That Influence Value:**
>
> 1. **Prescribed Edition**: Alan V. Oppenheim's _Signals and Systems_ has multiple editions. If your department's current syllabus specifically requires the 2nd edition, demand will be high; non-prescribed printings see significantly lower demand.
> 2. **Physical Condition**: Highlighting, margin notes, or worn binding reduce buyer willingness to pay compared to a clean copy.
> 3. **Semester Timing**: Campus demand peaks during the first 2–3 weeks of the semester when students receive course syllabi.
>
> **Distinguishing General Factors from Verified Local Comparables:**
> Resale prices cannot be determined by arbitrary percentage formulas or assumed market rates. To determine a realistic asking price, look at verified local comparables:
>
> - Check what seniors or batchmates in your department charged for their copies in recent semesters.
> - Check department exchange groups or ask at local second-hand campus book stalls.
>
> If you share your book's edition, condition, and original printed cover price (MRP), I can help you draft a listing with the price marked as **Negotiable** so you can gauge local buyer interest!

---

### Example 7: Missing Academic Relevance & Syllabus Verification

**User Input**:

> "I have a second-year engineering textbook on Database Systems. Is this book definitely the correct one for my college's DBMS syllabus?"

**Agent Response**:

> I cannot confirm whether this book is the prescribed textbook for your specific course without verifying your university's official syllabus.
>
> Universities, autonomous institutes, and departments frequently recommend different core textbooks or specific editions (e.g., Korth vs. Navathe vs. Ramakrishnan).
>
> **To check academic relevance:**
>
> 1. Check your course syllabus document (look under "Reference Books" or "Prescribed Textbooks" for your subject code).
> 2. Compare the required edition with your physical copy.
> 3. If you can share your university name and course code (e.g., "CS301 Database Management Systems"), or paste the textbook recommendation list from your syllabus, I can help you verify the match.
>
> In the meantime, in any listing draft, we will mark `ACADEMIC RELEVANCE` as `Unverified for specific university syllabus` so prospective buyers know to verify with their own course guide.

---

## 5. Quick Verification Checklist

Before outputting a final draft or answering a student:

- [ ] Did I refrain from inventing authors, ISBNs, editions, or prices?
- [ ] Did I avoid treating "not reported" as proof that no defects exist?
- [ ] Did I use "Unknown / Unverified" or "Not provided" for information the seller has not confirmed?
- [ ] Did I mark exchange location as "Not specified" unless explicitly provided by seller (never "To be agreed on campus")?
- [ ] Did I avoid assigning a formal condition grade on limited info and ask the seller to confirm?
- [ ] Did I distinguish inferred information (such as subject from title) from seller-confirmed details?
- [ ] Are all fields formatted under the standardized uppercase headings?
- [ ] Is `LISTING STATUS` set strictly to one of the 3 allowed values?
- [ ] Did I group follow-up questions politely without repeating already-supplied facts?
- [ ] Are safety and privacy rules respected (no private payment/personal data)?