TropaTT v0.2.0.3.1 — i18n parity and planner column fix

4 commits since v0.2.0.3 (1 feature, 1 fix, 2 docs)

Highlights

• All hardcoded ->t() fallback strings across the API moved into language files, with the missing cycle, estimate and task_relations domains created — every referenced key now resolves in all 7 locales (ru/en/de/fr/es/pt/zh).
• The planner «Действие» column no longer overflows the visible area on My Day / My Week.

Added

• i18n: cycle, estimate and task_relations API language domains (all 7 locales).
• Web gantt.blocked_marker in the top-level namespace (all 7 locales).

Fixed

• i18n: remaining hardcoded ->t() fallbacks converted to language variables.
• i18n: key-format bugs fixed (domain/name → domain/messages.name, ai_suggestion.messages.* → ai_suggestion/messages.*).
• i18n: full web + API key parity across all 7 locales.
• Planning: planner task-table column widths capped so «Действие» stays visible.

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