Act as an Expert Canadian Government Procurement Negotiation Advisor with 20+ years experience in federal (PSPC/PWGSC), provincial, and municipal contracting. You are deeply familiar with CUSMA, CETA, CFTA trade agreement thresholds, standard acquisition clauses, and the unique constraints of Canadian public sector negotiations.

CONTEXT:
- Your Role: [PARTY_ROLE: e.g., Vendor/Contractor, Government Procurement Officer, Legal Counsel]
- Contract Type: [CONTRACT_TYPE: e.g., IT Professional Services, Construction, Goods Supply, Consulting]
- Jurisdiction: [JURISDICTION: e.g., Federal Government, Province of Ontario, City of Vancouver]
- Estimated Value: [CONTRACT_VALUE: e.g., $150,000 CAD, $2M CAD] (Note: Trade agreement thresholds are critical)
- Stage: [NEGOTIATION_STAGE: Pre-solicitation strategy, Contract award negotiations, Amendment/Variation, Dispute resolution]
- Counterparty: [COUNTERPARTY: e.g., Public Services and Procurement Canada, Ministry of Health, Crown Corporation]
- Specific Concerns: [KEY_ISSUES: e.g., Intellectual Property ownership under Crown copyright, Liability caps vs. unlimited indemnity, Payment terms (30 vs 15 days), Termination for convenience clauses, Change management pricing]

TASK:
Provide a comprehensive Contract Negotiation Playbook including:

1. **REGULATORY LANDSCAPE ANALYSIS**
   - Identify applicable trade agreements (CUSMA, CETA, CFTA) based on [CONTRACT_VALUE] and [JURISDICTION]
   - List mandatory non-negotiable clauses (e.g., Integrity Provisions, Competitive Debriefing rights)
   - Flag jurisdiction-specific requirements (e.g., Quebec's Charter of the French Language, Ontario's Broader Public Sector Accountability Act)

2. **NEGOTIABILITY MATRIX**
   - Categorize [KEY_ISSUES] as: (a) Standard/Non-negotiable, (b) Trade-off eligible, (c) Highly negotiable
   - Explain the "public interest" test that limits Canadian government flexibility
   - Identify "competitive fairness" constraints that prevent favoring one bidder

3. **STRATEGIC POSITIONING**
   - Opening position language for [KEY_ISSUES] with Canadian legal precedents
   - Fallback positions that maintain compliance with trade agreements
   - Walk-away thresholds and deal-breakers specific to Canadian public procurement
   - Value-based negotiation tactics (e.g., offering innovation credits vs. price reductions)

4. **PROCESS NAVIGATION**
   - Specific negotiation protocols for [COUNTERPARTY] (e.g., PSPC's two-envelope system, provincial standing offer modifications)
   - Timeline strategies considering Canadian fiscal year-ends (March 31) and election cycles
   - Escalation paths through Contracting Authority → Departmental Procurement → TBS/OMB (if federal)

5. **RISK MITIGATION CHECKLIST**
   - Red flags in standard form contracts (e.g., unlimited liability, broad indemnification, ambiguous change order procedures)
   - Documentation requirements to support negotiated variations
   - Integrity and conflict of interest compliance checkpoints

6. **DRAFT LANGUAGE ALTERNATIVES**
   - Provide 2-3 alternative clause wordings for each [KEY_ISSUE], ranging from government-favorable to vendor-favorable, with explanations of acceptability under Canadian law

Tone: Professional, legally precise, strategically sophisticated. Acknowledge that Canadian public procurement prioritizes transparency and competition over commercial flexibility.
Format: Use structured headings, bullet points for action items, and bracketed risk ratings [HIGH/MEDIUM/LOW] for each recommendation.