Transition to Fall 2026 FutureEval season

[CodexVeritas]

Summary

Season transition from Summer 2026 to the Fall 2026 FutureEval Bot Tournament (opens Sept 28, resolves by Jan 5).

• Tournament constants (metaculus_client.py): add FE_FALL_2026_ID = 33121 and make it CURRENT_AI_COMPETITION_ID; add Q3_2026_MARKET_PULSE_ID / Q4_2026_MARKET_PULSE_ID and make Q4 current (Q3 ends in ~8 days). The fall Metaculus Cup ID was already set on main.
• New template bot: FallTemplateBot2026 (byte-identical copy of summer, class name and docstring updated). Exported from the package, added to bot_lists.py, and TemplateBot now subclasses it. test_public_api.py updated accordingly.
• MainBot default switched from openai/gpt-5 (API shutoff Dec 10, 2026, mid-season) to anthropic/claude-opus-5 with the same adaptive-thinking high-effort settings used by the run_bots Claude high bots.
• Gulf Breeze removed from AllowedTourn / main_site_tourns / cost CSV map. The contest ended in January 2026.
• Bot modes with no workflow job marked TournConfig.NONE so run_bots.py and run-bot-aib-tournament.yaml now match in both directions. No bots were added or removed otherwise.
• README wording updated from "AI benchmarking" to FutureEval.
• Version bumped to 0.3.1.

Modes marked TournConfig.NONE

Mode	Previously
METAC_DEEPSEEK_R1_DEEPNEWS	experimental
METAC_DEEPSEEK_R1_O4_MINI_DEEP_RESEARCH	experimental
METAC_DEEPSEEK_R1_SONAR_DEEP_RESEARCH	experimental
METAC_DEEPSEEK_R1_SONNET_4_SEARCH	experimental
METAC_KIMI_K2_VARIANCE_TEST	aib_only
METAC_O4_MINI_DEEP_RESEARCH	experimental
METAC_ONLY_SONAR_REASONING_PRO	aib_only
METAC_SONAR_DEEP_RESEARCH	experimental
METAC_SONNET_4_SEARCH	experimental

Reviewer notes

• Switching CURRENT_AI_COMPETITION_ID now means new summer-tournament questions published after this merges will not be picked up by MAIN_AIB. Merge timing is a judgment call.
• MainBot omits temperature, matching the existing Opus 5 and Fable 5 high bot configs.
• The sibling metac-bot-template repo still needs the fall template update separately.

Test plan

• pre-commit passes on all changed files
• test_run_bots.py, test_public_api.py, test_optional_imports.py pass
• Full unit suite: 14 failures, all pre-existing local-timezone flakes (test_basic_get_questions at 01:00 UTC and the two is_jsonable tests). Verified the identical 14 fail on an untouched checkout of main.
• Smoke-tested MainBot() instantiation and that TemplateBot resolves to FallTemplateBot2026

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