Add three synthesized Friendship PCS responses with ground truth

Covers all nine stress cases from #25, #15 and #16. The lowest bid is
disqualified on two missing health documents and the highest bid is
strongest on the SFA's own geographic-preference criterion, so a ranking
that cannot represent absence gets the field exactly backwards.

Deliberate traps: a planted $400 arithmetic error in a stated total, an
unverifiable total whose unit price lives only in the external Excel, an
unlabelled exception, a non-priceable exception that is really a conditional
withdrawal, and an answered-but-negative response.

Second schema finding, surfaced by the validator: R-B6C is a mandatory gate
that no response document can establish. Coverage over it is unknowable
rather than absent.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

corpus/friendship-pcs/responses/source/anacostia-farm-collective.md

@@ -0,0 +1,184 @@
+# ANACOSTIA FARM COLLECTIVE
+## Response to RFP — Supply and Delivery of Food Items
+### Friendship Public Charter School, SY 2021–2022
+
+2214 Martin Luther King Jr Ave SE, Washington, DC 20020
+Yolanda Reyes, Managing Director — (202) 555-0173
+
+---
+
+## Section One — Executive Summary
+
+Anacostia Farm Collective is a District-based food hub aggregating from
+thirty-four farms within the Chesapeake foodshed. We were formed in 2014
+specifically to make regionally grown food available to institutions that
+want it and cannot reach it through conventional broadline distribution.
+We currently supply eleven institutional accounts including four DC public
+charter schools.
+
+We are the smallest bidder Friendship is likely to consider, and we want to
+be direct about what that means. We will not be the cheapest bid. What we
+offer is the highest local content available in this market and a supply
+relationship that is legible all the way back to the farm.
+
+**Enclosures.** Business license (DC BBL 410203000891); Certificate of
+Occupancy; audited financial statements FY2019 and FY2020, prepared by
+Mercer Group CPAs; current DC Department of Health food establishment
+certificate, expiring 2022-06-30; our two most recent health inspections,
+dated 2020-09-22 and 2021-01-14, both passed; certificate of insurance;
+Attachments B, C and D signed; equal opportunity and clean air and water
+certifications signed; certification of local percentage under B.2.
+
+**Exceptions.** We take three exceptions to the solicitation as issued.
+They are set out in full at the end of this response with the price effect
+of each. We would rather state them plainly now than discover them at
+contract execution.
+
+---
+
+## Section Two — Pricing
+
+Submitted on Schedule C in the Excel workbook provided.
+
+**Rate structure: seasonal piecewise unit pricing.** Because our supply is
+regional and genuinely seasonal, a single annual unit price would require
+us to carry the winter cost of out-of-region sourcing across the whole
+year. Instead we price produce in three seasonal bands. Non-produce
+categories — grocery, dairy, protein — are priced flat.
+
+| Band | Months | Produce index | Basis |
+|---|---|---|---|
+| Peak regional | June – October | 0.88 × base | in-region supply at volume |
+| Shoulder | April – May, November | 1.00 × base | mixed regional and contracted |
+| Out-of-region | December – March | 1.19 × base | sourced outside foodshed |
+
+Base delivered produce case price, mixed: $31.20. Grocery, dairy and
+protein are quoted flat on Schedule C.
+
+Applying the band weighting across the 180-day school calendar — which
+falls disproportionately in the shoulder and out-of-region bands — our
+**base year total bid cost is $624,315.**
+
+We recognise this is materially above the likely low bid, and roughly six
+percent above what we would guess the middle of this field looks like. We
+believe the local content justifies it against the Geographic Preference
+criterion and against the Healthy Schools Act local provisions, and we
+would rather present an honest seasonal structure than a flat price that
+conceals the same economics.
+
+Prices firm for the base year within the stated bands.
+
+---
+
+## Section Three — Method of Approach and Implementation Plan
+
+### Food and packaging
+
+Produce is packed to USDA No. 1. Because we aggregate from multiple farms,
+pack configuration varies more than a broadline distributor's would, and we
+would agree standard configurations with the SFA during onboarding rather
+than assume them. Every case is labelled with the originating farm.
+
+Quality assurance is farm-level: each member farm carries GAP certification
+and we audit annually. Any item rejected at receipt is credited on the
+delivery ticket.
+
+CN labels and formulation statements are held for all processed and grocery
+items and are provided through our shared drive per account. Whole produce
+does not carry CN labels; for those items we supply the crediting
+documentation the meal pattern requires.
+
+### Utilization of USDA Foods
+
+This is our weakest area and we will not overstate it. We are not currently
+an approved USDA Foods processor. We would work alongside a processor
+designated by the SFA, or support the SFA in managing entitlement directly,
+but we cannot manage drawdown and diversion in-house today.
+
+### Geographic preference
+
+**Sixty-one percent (61%)** of the product value we propose to supply will
+be locally grown or raised within 250 miles of Washington, DC, measured
+across the full contract year. In the peak regional band that figure
+exceeds eighty percent. Certification of the percentage is enclosed under
+B.2 and we accept the SFA's audit right.
+
+All thirty-four member farms are within the Chesapeake foodshed; nineteen
+are in Maryland, nine in Virginia, four in Delaware and two within the
+District itself.
+
+### Healthy Schools Act
+
+We supply four DC charter SFAs under HSA requirements today and our
+certification of local percentage is designed to support the SFA's local
+sourcing subsidy claim directly.
+
+---
+
+## Section Four — Bidder's Experience, Expertise and Reliability
+
+**Knowledge of USDA and District requirements.** Our operations lead spent
+six years in DC OSSE child nutrition administration. We are fluent in the
+HSA and in the meal pattern; we are less fluent in USDA Foods entitlement
+mechanics, as stated above.
+
+**Dependability.** On-time delivery for SY2020–21 was 96.1% against
+contracted windows, and order fill accuracy 97.4% by line. Both are below
+what a broadline distributor will quote. The gap is almost entirely
+weather-driven crop shortfall in the peak band, where we substitute within
+category rather than fail the line.
+
+**Warehouse and facilities.** Our aggregation facility on Martin Luther
+King Jr Avenue is DC Department of Health certified. Two most recent
+inspections enclosed, both passed. Pest management is contracted monthly
+with a licensed applicator and audited semi-annually.
+
+**Customer service.** Named account lead, orders by phone, email or shared
+order sheet until 3:00 PM for next-day. The managing director is reachable
+directly and is on the escalation path for every account.
+
+**Proven organizational capacity.** Seven years in operation, eleven
+institutional accounts, thirty-four member farms. Our largest current
+account is three sites. **Friendship's eight sites would be the largest
+network we have served**, and we would staff a dedicated route and a
+second driver for it, funded within the pricing above.
+
+**Response to values statement (C.1).** Friendship's values statement
+speaks to educational outcomes and to the community the school sits in. We
+are based in Ward 8, we employ from Ward 8, and two of our member farms are
+inside the District. When Friendship spends with us, a measurable share of
+that spend stays within the same community the students come from. That is
+the whole reason the Collective exists, and it is why we are bidding
+despite being the highest price on the table.
+
+**References.** Three DC institutional accounts, provided in the
+questionnaire.
+
+---
+
+## Exceptions and Qualifications
+
+We take the following three exceptions to the solicitation as issued.
+
+**Exception 1 — D.1 Delivery Requirements, delivery windows.**
+Schedule A specifies delivery windows at several sites beginning at 5:30
+AM. Our aggregation model consolidates farm deliveries overnight and we
+cannot reliably load before 5:00 AM. We request windows beginning no
+earlier than 6:30 AM at all sites.
+*Price effect if not granted: +$18,400 (second overnight shift).*
+
+**Exception 2 — B.5, price firmness across the full term.**
+We request that the out-of-region band (December–March) be subject to
+renegotiation if the published PPI for fresh vegetables moves more than
+twelve percent between award and 1 December. Our regional supply cannot
+absorb that movement the way a national distributor's can.
+*Price effect if not granted: +$9,750 (risk premium carried in base).*
+
+**Exception 3 — C.3 Specifications, pack configuration.**
+We request that pack configuration be agreed jointly during onboarding
+rather than fixed at award, for produce categories only. Aggregated supply
+cannot guarantee a single fixed pack across thirty-four farms.
+*Price effect if not granted: we would be unable to bid produce categories.*
+
+Total price effect of exceptions 1 and 2 if declined: **+$28,150**, giving
+an adjusted base year total bid cost of **$652,465**.