feat: bring BreedingBuddies back on Cooking's husbandry engine

[Nowkoo]

Summary

• Engine: Cooking's husbandry module replaces the old JSON engine, including Ryan's character ownership, estates (participant ID kept as cooking-animals so open estates carry on), lost-animal snapshots and /animals. Products come from Cooking's food API (feat: food API and husbandry switch for BreedingBuddies Cooking#79, merged).
• Takeover: the first start copies plugins/Cooking/Data/husbandry.db and its journal; Cooking's files stay as a backup and a failed copy stops startup. Entities and tokens marked with cooking:* keys keep working. Settings are not copied: config.yml starts from BreedingBuddies' defaults, which carry Main's tuned horse maximums. BreedingBuddies refuses to start while Cooking still runs livestock.
• Trust: care becomes trust, shown as five hearts, earned only by feeding a hungry animal, brushing a dirty one and a daily pet (riding, for mounts). Neglect still costs trust.
• Mounts: separate health, speed and jump genes, inherited with the old BreedingBuddies roll; parents' trust and the breeding food's stars open the room to beat the better parent. Defaults: 40% base, 50% genes, 10% trust.
• Living products: cows leave manure (bone meal by default), pigs root for their enchanted dust, chickens moult; milk and extra wool need a happy animal; llamas give leather at slaughter.
• Menu and effects: the original layout (header, trust hearts, genetics eggs with stars, mount stats with genes), no italics, instructions in the lore, a confirmed give-up button; cherry petals and amethyst chimes for taming and sharing, the foal's cry when neutering a horse.
• Staff commands: /breedingbuddies (/bb) reload | spawn | save with breedingbuddies.admin.

Deployment notes

• Requires the published Cooking 0.5.1 release, which includes Cooking#79; cooking.version is pinned to 0.5.1.
• Give the staff group breedingbuddies.admin (it replaces cooking.admin for animals).
• Mount shares stay as on Main (40% base, 30% genes, 30% trust), now under mounts.shares.
• Create plugins/BreedingBuddies/Data before the first start: the server cannot create folders in plugins/ on our hosts (seen on TF Dev).
• Switch over with a restart: set enabled: false in Cooking's husbandry.yml, install BreedingBuddies.
• RPCharacters' lock_breeding and breeding XP need no change: its NORMAL-priority cancel runs before BreedingBuddies' HIGH handler, which ignores cancelled breeding.

Tests

mvn clean verify: 303 tests, no failures or skips, 100% line coverage, built against the checksum-verified Cooking 0.5.1 and TLibs 2.6.0 release JARs. Conflicts with main resolved; numeric tab suggestions retain prefix filtering under the new staff command. Tried on TF Dev (2026-10-15): Cooking runs with husbandry off, BreedingBuddies takes over its records and opens the database, /bb save and /animals answer. In-game checks with a player are still to do.

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