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Drawing set CM-2026 · Digital portfolioRev A · 2026.10.09
Case study CS-03 · Technical documentation / AI-assisted workflow

AI-assisted PCP & proposal system

Pre-consult pricing (PCP) and proposals were written by hand, with specifications looked up one model at a time. Christine structured a Claude Project with 20 numbered knowledge documents, two skills and a specifications and inventory sheet she maintains, so drafts are produced inside defined rules. Three human approval gates sit between the AI and the customer, and Christine sends every email herself.

Platform
Claude Project · 2 skills (/pcp, /proposal)
Knowledge
20 numbered documents
Data
AM Specs + Inventory sheet, 4 tabs
Connectors
Gmail (drafts only) · ServiceM8 email-in CC
Build
14 Jul – 19 Sep 2026 · in daily use
Not included
No custom code, model training or API integration
Drawing set
CM-2026-CS03 · 4 sheets · 9 evidence items
CS03.B1 System at a glance · simplified from E-02G1–G3 = human approval
STAGE 1 — PRE-CONSULT PRICING
  1. MANUAL · INPUT
    Call notes, QLD Globe mapping, specs
  2. AI · CLAUDE
    /pcp analysis → Recommendation Check
  3. G1 · HUMAN
    Christine / technical lead approve or correct
  4. AI · DRAFT ONLY
    PCP email as Gmail draft
  5. G2 · HUMAN
    Review, add images, Christine sends
  6. DELIVERABLE
    PCP email
STAGE BOUNDARY · PROPERTY ASSESSMENT · ON-SITE FINDINGS OVERRIDE THE PCP
STAGE 2 — PERSONALISED PROPOSAL
  1. MANUAL · INPUT
    Site notes, confirmed configuration, install fee
  2. AI · CLAUDE
    /proposal draft + investment summary
  3. G3 · HUMAN
    Christine checks totals and wording
  4. MANUAL
    Pasted into ServiceM8 template
  5. DELIVERABLE
    Proposal + covering email
1.0 — Context & problem

Many variables, no shared rules

Recommendations were written manually in email. The PCP stage did not exist until Christine introduced it and created its format by hand.

Model choice depends on mapped area, slope, canopy, zones, access, customer priorities, stock and policy. Recorded drafting errors, such as a 308V quoted at the 312V's price, showed where rules were needed.

Objectives · E-02 §2
  1. 01Recommend what EZPZ would choose, not by lawn size alone
  2. 02Never invent specs, prices, stock or property facts; flag gaps
  3. 03Keep PCP and proposal logic in separate stages
  4. 04Human review before anything reaches a customer
  5. 05Minimal input: one command plus rough notes
2.0 — Christine's responsibilities

Responsibility matrix

Performed
  • Original PCP format (manual, pre-system)
  • Claude Project setup and Gmail connector
  • AM Specs + Inventory sheet: build and upkeep
  • Queensland Globe mapping
  • Gates 1–3 approval; sending every email
  • Rule corrections in the decision log
Outlined / edited · AI-drafted
  • 20 knowledge documents
  • /pcp and /proposal skill files
  • Recommendation analysis and drafting (Claude, reviewed at each gate)
Technical lead
  • Decision framework
  • On-site assessment
  • Final commercial calls

Claude is used as supplied. It analyses, drafts and calculates inside rules Christine structured. It does not verify site conditions, send email or set commercial terms.

3.0 — Technical approach & key decisions

Structural design decisions

  1. D1 Skills orchestrate; knowledge decides. Skills only sequence the work. Business and product logic lives in numbered docs.
  2. D2 Single source per rule. Confidence scale only in 04, tone only in 16, recipients only in the CC list.
  3. D3 Explicit precedence. 10 Operational Policies overrides product knowledge.
  4. D4 Hard stage boundary. /proposal treats the confirmed configuration as fixed; it never re-runs PCP logic.
  5. D5 Fixed output shapes. Three-line Recommendation Check; proposal limited to three text blocks.
  6. D6 Price-free examples. Worked examples carry no models or prices, so they cannot leak into quotes.
Revision schedule · error → rule · 6 of 13 logged changes · E-02 §7
RevTrigger (recorded)Rule written backConfirmed by
19 SepA 308V was quoted at the 312V's pricePricing Accuracy: model → exact inventory row → price, at every stageChristine
19 SepEZPZ holds 435X stock, not 435 iQ AWD435X AWD NERA is the only AWD recommendation while stock lastsChristine
15 SepLive 308V PCP draft misdescribed camera and pool handlingVision series: camera navigates between zones; perimeter keeps it off poolsChristine
15 SepDraft made a suitable 308V sound “stretched thin”Next-size alternative only for a real capability gapChristine
01 SepRecommendations were being oversizedMapped area over customer estimate; smallest suitable model firstChristine
26 AugFalse claims risk post-install complaintsR4 is wired; no “mows to the boundary” claimTechnical lead

Tested on live customer drafts reviewed by Christine and the technical lead. No separate test set or scoring was used.

AM Specs + Inventory sheet · extract, 5 of 32 configurations · built + maintained by Christine (E-03)
Field440 iQ560 EPOS580 EPOS580L EPOS435X AWD
RRP$7,999$11,999$14,999$15,499$8,899
Max area8,000 m²12,000 m²16,000 m²16,000 m²5,000 m²
30% buffer5,600 m²8,400 m²11,200 m²11,200 m²3,500 m²
Slope at boundary25%20%20%20%50%
Cut height25–100 mm20–60 mm20–60 mm10–50 mm30–70 mm
4.0 — Verified outputs & results

In daily use

  • In daily use for PCPs and proposals; recent customer sessions listed in the Project (E-01).
  • PCP produced and sent for a Mount Samson property, 01 Oct 2026 (E-04, E-07).
  • Proposal produced for a Caboolture property; the ServiceM8 total matches the calculated quote, figure redacted (E-08, E-09).
  • 13 dated rule changes, each tied to a recorded draft error or decision (E-02).
  • Decision Log in live use: AI recommendation recorded against the human decision (E-02).

No time-saved, error-rate or conversion figures are claimed; none were recorded.

Worked example · Mount Samson PCP

The first mapping covered the full property at 92,175 m², far above the customer's 5–6 acres; /pcp flagged the gap rather than resolving it. Christine re-mapped the house surrounds to 12,500 m², within the 580L EPOS's 16,000 m² rating, and the customer later confirmed about 13,000 m². The 580L was recommended as the only model reaching the 10 mm cut requested.

5.0 — Tools & systems used

Claude Projects + Skills Gmail connector (drafts) Queensland Globe ServiceM8 proposals + email-in Notion (Decision Log) Specs + inventory spreadsheet
6.0 — Evidence

Real jobs

Names, street, job no., contact, install fee + totals redacted · select to view full size
Queensland Globe mapping v1 of the full property in four sections, 92,175 square metresE-05 · MapFull view ⤢PCP mapping v1, full property in four sections: 92,175 m². Flagged against the customer’s 5–6 acres. Queensland Globe mapping v2 of house surrounds only, 12,500 square metresE-06 · MapFull view ⤢PCP mapping v2, house surrounds only: 12,500 m². Re-mapped by Christine. ServiceM8 proposal · p.1 of 3 · 30 Sep 2026EZPZ Automation PlanRedacted · customer name, proposal no., totalsE-09 · DocumentOpen evidence ⤢Site map (4,200 m² open lawn) and two mower options at published RRP. Install fee and totals withheld. Claude Project · Oct 2026Instructions + knowledge documentsNo customer data shownE-01 · ScreenshotOpen evidence ⤢Project instructions and the numbered knowledge documents, including the decision rules, policies and proposal standard.
7.0 — Full technical drawing set

CM-2026-CS03 · four A3 sheets

The complete, original case study, including the full architecture drawing, development sequence and verification controls. Opens full screen in a new tab; best viewed on a larger display.

Open full technical drawing set
  1. AProject overview / role / evidence index
  2. BArchitecture / information flow
  3. CDevelopment / revisions / reference sheet
  4. DOutputs / verification controls