Reputation: positive/neutral Elo-style ratings held by the party

Reputation module root (user-owned)

Ratings are signed attestations held by the rated party, not by Simca or any company

Depends on: LOGI-0001

Positive-or-neutral-only rule

No negative scores exist anywhere in the data model; a rating can only stay or rise from the neutral baseline

Depends on: LOGI-0001

Neutral baseline rating

Every party starts at a neutral baseline and can never be shown below it

Depends on: LOGI-0001

Rating attestation (signed)

After a job, counterpart issues a signed attestation: outcome flags and a positive increment proposal

Depends on: CONN-0137, LOGI-0001, LOGI-0453

Attestation fields

Job id hash, rater key, ratee key, role, outcome flags, timestamp, signature

Depends on: LOGI-0001

Attestation held by ratee

Ratee stores attestations and presents them; they cannot be deleted by a company

Depends on: LOGI-0001

Attestation presentation (QR / file / in handshake)

Present selected attestations to a counterpart offline

Depends on: LOGI-0001

Attestation verification offline

Verify rater signature and format locally

Depends on: LOGI-0001

Attestation tamper evidence

Hash and signature detect alteration

Depends on: LOGI-0001

Attestation anti-collusion limits

Per-pair weight caps so two parties cannot farm each other

Depends on: LOGI-0001

Attestation uniqueness per job

At most one attestation per rater per job

Depends on: LOGI-0001

Attestation requires proof of completed job

Must reference a closed job with both signatures

Depends on: LOGI-0001

Elo-style update (positive-only)

Rating rises by K x (S - E) clipped at zero where S is 1 (positive) or 0.5 (neutral); never falls below baseline; design to be validated (OPEN)

Depends on: LOGI-0001

Expected-score term from counterpart strength

Gain shrinks against low-rated counterpart and grows against high-rated one (E from rating gap)

Depends on: LOGI-0001

K-factor policy (new vs established)

Larger K for new parties, smaller for established

Depends on: LOGI-0001

Rating floor at neutral baseline

Hard floor; lateness never subtracts

Depends on: LOGI-0001

Lateness reflected by absence of gain

A late delivery yields a neutral outcome or no gain, never a drop

Depends on: LOGI-0001

No-show reflected by missing positive attestations

No attestation issued; recency weight decays instead of a penalty

Depends on: LOGI-0001

Recency weighting (time decay of gains)

Old gains count less in the displayed score; inactivity lowers displayed recency weight, never below baseline

Depends on: LOGI-0001

Displayed score = baseline + weighted gains

Score computed from attestations at display time so decay is non-destructive

Depends on: LOGI-0001

Reputation volume indicator

Number of attested jobs shown next to score

Depends on: LOGI-0001

Reputation confidence band (Glicko-style, positive-only)

Show confidence from volume and recency instead of negative marks

Depends on: LOGI-0001

Reputation category: on-time

Outcome flag on-time for drivers and vendors

Depends on: LOGI-0001

Reputation category: cargo condition

Condition outcome flag

Depends on: LOGI-0001

Reputation category: communication

Responsiveness flag

Depends on: LOGI-0001

Reputation category: payment promptness

For posters/vendors: pays on agreed terms

Depends on: LOGI-0001

Reputation category: ready-at-dock

For vendors: goods ready, short wait

Depends on: LOGI-0001

Reputation category: accurate description

For posters: job matched reality

Depends on: LOGI-0001

Reputation per role (driver, vendor, store, company)

Separate scores per role of the same key

Depends on: LOGI-0001

Reputation for companies vs drivers

Company rating separate from its drivers

Depends on: LOGI-0001

Reputation tiers (icons, not numbers)

Level icons for low-literacy users, always at or above baseline

Depends on: LOGI-0001

Reputation badges for milestones

Milestones (50 on-time jobs, 1 year active)

Depends on: LOGI-0001

Reputation portability across devices

Move attestations with key backup

Depends on: LOGI-0001

Reputation key backup and recovery

Encrypted backup of the rating key and attestation store

Depends on: CONN-0140, LOGI-0001

Reputation key rotation with continuity

Rotate key with a signed link from old to new so history carries over

Depends on: CONN-0141, LOGI-0001

Reputation after lost device (re-issue)

Restore from backup; if none, rebuild by re-requesting attestations from past partners

Depends on: LOGI-0001

Reputation merge on identity split

Merge two keys of the same party with mutual signatures

Depends on: LOGI-0001

Reputation selective disclosure

Present only chosen attestations

Depends on: LOGI-0001

Reputation cannot be deleted by company

Companies cannot remove, edit or suppress attestations of their drivers

Depends on: LOGI-0001

Reputation owned by driver when changing company

Driver keeps own rating when leaving a company

Depends on: LOGI-0001

Reputation review of attestations recorded as neutral in dispute

Optional follow-up for attestation recorded as neutral during a dispute

Depends on: LOGI-0001

Reputation sybil resistance without central authority

Weight attestations by rater standing, per-pair caps and verification level

Depends on: LOGI-0001

Reputation spam/farming detection (local heuristics)

Local analysis flags suspicious clusters of attestations

Depends on: LOGI-0001

Reputation weighting by job value

Larger jobs weigh slightly more up to a cap

Depends on: LOGI-0001

Reputation display on board cards

Compact reputation badge and volume

Depends on: LOGI-0001

Reputation rating math document (design question)

Written spec of the rise-only Elo variant; open design question flagged

Depends on: LOGI-0001

Reputation parameter set versioning

K, decay and weights versioned so verifiers know the formula used

Depends on: LOGI-0001

Reputation simulation tool (dev)

Test harness to simulate fairness of the formula

Depends on: LOGI-0001

Reputation introductions (vouching)

A highly-attested party vouches for a newcomer via signed statement

Depends on: LOGI-0001