feat: cache optimizations, upstream PR cherry-picks, new tools

Core cache optimizations:
- Move mindContext from dynamicSystem to stableSystem (500-2000+ tokens/turn
  cached at BP1 for sessions with SessionMind context)
- Split failureContext into stableFailures (prior turns, BP1 cached) and
  dynamicFailures (current turn only) using signature-based dedup
- Add markLargeToolResults() pre-pass: cache_control on tool-result content
  parts >7000 chars (~2000 tokens), Anthropic direct + OpenRouter Claude
- Fix stale parts reference bug in markLargeToolResults for multi-tool messages
- Add compressImages() async pre-pass via sharp (PR anomalyco#21371): 3-phase
  quality->dimension->fallback compression prevents 5MB API limit errors
- Session snapshot resets (resetFailureSnapshot/resetEnvDynamicSent) in cleanup
- prompt_async idle race condition fix: check new messages before loop break

Upstream PR cherry-picks:
- PR anomalyco#21535: deterministic queued message wrapping eliminates per-turn cache miss
- PR anomalyco#21492: tool evidence digest (evidence.ts) preserves context through compaction
- PR anomalyco#21507: session processor single-flight summary dedup improvements
- PR anomalyco#21528: prompt_async idle wakeup race condition fix
- PR anomalyco#21500: Levenshtein O(min(N,M)) space with Int32Array two-row algorithm

New tools (PR anomalyco#21399):
- ContextUsageTool (check_context_usage): real-time token/cache usage reporting
- NewSessionTool (new_session): TUI-only, abort + create new session
- TuiEvent.SessionNew bus event and app.tsx handler
- SDK types.gen.ts/sdk.gen.ts EventTuiSessionNew type

Test infrastructure:
- E2E cache tests (OPENCODE_E2E=1) verified 100% cache hit rate on T2+
- Unit tests for large-tool cache breakpoints (4 scenarios)
- Fix pre-existing lsp-deps.test.ts assertion bug (LspTool in make() not all())
- Add await to all ProviderTransform.message() call sites (now async)

Author: fairyhunter13

bun.lock

@@ -0,0 +1 @@
+registry=https://registry.npmjs.org/

packages/opencode/.npmrc

@@ -9,7 +9,7 @@
     "prepare": "effect-language-service patch || true",
     "typecheck": "tsgo --noEmit",
     "test": "bun test --timeout 30000",
-    "test:ci": "mkdir -p .artifacts/unit && bun test --timeout 30000 --reporter=junit --reporter-outfile=.artifacts/unit/junit.xml",
+    "test:ci": "bun test --timeout 30000 --reporter=junit --reporter-outfile=.artifacts/unit/junit.xml",
     "build": "bun run script/build.ts",
     "fix-node-pty": "bun run script/fix-node-pty.ts",
     "upgrade-opentui": "bun run script/upgrade-opentui.ts",
@@ -79,7 +79,7 @@
     "@actions/github": "6.0.1",
     "@agentclientprotocol/sdk": "0.16.1",
     "@ai-sdk/amazon-bedrock": "4.0.83",
-    "@ai-sdk/anthropic": "3.0.67",
+    "@ai-sdk/anthropic": "npm:@fairyhunter13/ai-anthropic@4.0.0-beta.17-fork.3",
     "@ai-sdk/azure": "3.0.49",
     "@ai-sdk/cerebras": "2.0.41",
     "@ai-sdk/cohere": "3.0.27",
@@ -92,14 +92,15 @@
     "@ai-sdk/openai": "3.0.48",
     "@ai-sdk/openai-compatible": "2.0.37",
     "@ai-sdk/perplexity": "3.0.26",
-    "@ai-sdk/provider": "3.0.8",
-    "@ai-sdk/provider-utils": "4.0.23",
+    "@ai-sdk/provider": "npm:@fairyhunter13/ai-provider@4.0.0-beta.6",
+    "@ai-sdk/provider-utils": "npm:@fairyhunter13/ai-provider-utils@5.0.0-beta.10",
     "@ai-sdk/togetherai": "2.0.41",
     "@ai-sdk/vercel": "2.0.39",
     "@ai-sdk/xai": "3.0.75",
     "@aws-sdk/credential-providers": "3.993.0",
     "@clack/prompts": "1.0.0-alpha.1",
     "@effect/platform-node": "catalog:",
+    "@fairyhunter13/opentui-core": "0.1.110",
     "@gitlab/gitlab-ai-provider": "3.6.0",
     "@gitlab/opencode-gitlab-auth": "1.3.3",
     "@hono/node-server": "1.19.11",
@@ -117,15 +118,15 @@
     "@opencode-ai/sdk": "workspace:*",
     "@opencode-ai/util": "workspace:*",
     "@openrouter/ai-sdk-provider": "2.4.2",
-    "@opentui/core": "0.1.97",
-    "@opentui/solid": "0.1.97",
+    "@opentui/core": "0.1.113",
+    "@opentui/solid": "0.1.113",
     "@parcel/watcher": "2.5.1",
     "@pierre/diffs": "catalog:",
     "@solid-primitives/event-bus": "1.1.2",
     "@solid-primitives/scheduled": "1.5.2",
     "@standard-schema/spec": "1.0.0",
     "@zip.js/zip.js": "2.7.62",
-    "ai": "catalog:",
+    "ai": "npm:@fairyhunter13/[email protected]",
     "ai-gateway-provider": "3.1.2",
     "bonjour-service": "1.3.0",
     "bun-pty": "0.4.8",
@@ -155,6 +156,7 @@
     "partial-json": "0.1.7",
     "remeda": "catalog:",
     "semver": "^7.6.3",
+    "sharp": "0.34.5",
     "solid-js": "catalog:",
     "strip-ansi": "7.1.2",
     "tree-sitter-bash": "0.25.0",