fix(context): address review - clarify threshold alignment, i18n strings, add test coverage

.codebuddy/github-contribute/config.md

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+# GitHub Contribution Config — sipeed/picoclaw
+
+- run_mode: resume
+- credential_source: session_override_env
+- github_username: chengzhichao-xydt
+- github_token: [session-provided]
+- auth_mode: env_pat
+- pat_type: classic
+- max_open_prs_per_project: 5
+- max_prs_waiting_for_first_review: 3
+- tasks_per_batch: 3
+- pr_recheck_interval_minutes: 20
+- report_language: zh-CN
+- report_timezone: Asia/Shanghai (UTC+8)
+- default_branch_prefix: codex
+- default_risk_level: low
+- github_communication_language: en

.codebuddy/github-contribute/handoff.md

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+# Handoff — sipeed/picoclaw
+
+Last updated: 2026-06-05 08:58 UTC+8
+Run mode: resume
+
+## Quick Resume
+- Repo: sipeed/picoclaw (fork: chengzhichao-xydt/picoclaw)
+- Upstream main: 5224b9a4
+- Open PRs: #3001, #2985
+- Active branches: codex/workspace-guard-schemeless-url, codex/context-show-summarize-threshold
+- Reviewer: afjcjsbx
+- Next: fix both PRs per review feedback

.codebuddy/github-contribute/journal.md

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+# Journal — sipeed/picoclaw
+
+## 2026-06-05 08:58 UTC+8 — Resume
+
+- run_mode=resume confirmed
+- 2 open PRs: #3001, #2985
+- Both CI green, both need code fixes from reviewer afjcjsbx
+- 7 recently merged PRs
+- Cleaned up merged local branches
+- Initialized state directory
+- Dispatching implementation sub-agents for both PRs

.codebuddy/github-contribute/pr-board.md

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+# PR Board — sipeed/picoclaw
+
+## awaiting_review_fix (2)
+
+### #3001 — fix(tools): allow scheme-less URLs in workspace guard
+- Branch: codex/workspace-guard-schemeless-url
+- Base: main | Created: 2026-06-04T10:06:36Z
+- CI: Tests ✅ Linter ✅ Security ✅ Integration ✅
+- Review: afjcjsbx requested unit tests
+- Next: implement unit tests → push → request re-review
+
+### #2985 — fix(context): show both summarize and compress thresholds in /context
+- Branch: codex/context-show-summarize-threshold
+- Base: main | Created: 2026-06-02T07:45:13Z
+- CI: Tests ✅ Linter ✅ Security ✅ Integration ✅
+- Review: afjcjsbx — 3 issues:
+  1. Logic misalignment in summarization threshold
+  2. Hardcoded i18n text in frontend
+  3. Missing test coverage
+- Next: fix all 3 → push → request re-review

.codebuddy/github-contribute/queue.md

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+# Active Queue — sipeed/picoclaw
+
+## Active (2)
+
+| ID | PR | Title | Status | Action | Worker |
+|----|-----|-------|--------|--------|--------|
+| T1 | #3001 | fix(tools): allow scheme-less URLs in workspace guard | fix_in_place (add unit tests) | implement | pending |
+| T2 | #2985 | fix(context): show both summarize and compress thresholds | fix_in_place (3 review issues) | implement | pending |
+
+## Merged (7)
+#3000, #2999, #2996, #2995, #2992, #2991, #2986
+
+## Blocked (0)
+None