docs: update Sandbox for standalone praisonai-sandbox package + glob-rule activation

[praisonai-triage-agent]

Fixes #2106

Summary

Updates two feature docs to reflect SDK changes shipped in v4.6.151.

Part 1 — docs/features/sandbox-backends.mdx

• Added a <Note> callout introducing the new standalone praisonai-sandbox package (after the agent-first intro snippet).
• Rewrote the install table so praisonai-sandbox[...] is the preferred install with legacy praisonai[...] shown as a still-working shim.
• Updated the fix-it hint and CI install command to the standalone package.
• Added a "Using the standalone package" section with Tabs (Agent default, direct import, praisonai-sandbox CLI, legacy shim).

Part 2 — docs/features/rules.mdx

• Added a "How path-scoped rules activate" section leading with an agent example and the on-disk glob rule.
• Added an activation-mode decision Mermaid (always / glob / manual) with the standard palette.
• Added the zero-cost gate <Note> and the dedup vs always <Tip>.
• Existing per-turn sequence diagram, trigger table, and bare-filename matching notes retained.

Constraints honored

• No files under docs/concepts/ touched.
• No docs.json changes (both pages already registered).
• Agent-first code block remains the first snippet on each page.
• Mermaid diagrams use the standard color scheme with classDef declarations.

Generated with Claude Code

[MervinPraison]

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[MervinPraison]

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[MervinPraison]

@gemini review this PR

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

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Run ID: 7e936503-617d-4f7c-a216-1b0556399250

📥 Commits

Reviewing files that changed from the base of the PR and between e1d67b0 and 08f0672.

📒 Files selected for processing (2)

• docs/features/rules.mdx
• docs/features/sandbox-backends.mdx

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch claude/issue-2106-20260717-1022

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[gemini-code-assist]

Code Review

This pull request updates the documentation to explain how path-scoped rules activate and introduces the new standalone praisonai-sandbox package. It details how the sandbox backends can be used independently of the full praisonai wrapper, updating installation instructions, CLI commands, and CI pipeline examples. A review comment suggests improving the direct import example for the standalone sandbox package by removing the dependency on praisonaiagents.sandbox.SandboxConfig, which ensures the example remains truly standalone.

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[gemini-code-assist]

Since the primary purpose of using the standalone praisonai-sandbox package is to run sandboxed environments without pulling in the full praisonai wrapper or its heavy dependencies, importing SandboxConfig from praisonaiagents defeats this goal. We can simplify this direct import example to use DockerSandbox directly with the image argument, keeping it completely standalone.

from praisonai_sandbox import DockerSandbox

sandbox = DockerSandbox(image="python:3.11-slim")

[MervinPraison]

Merge gate scan — eligible for assessment. Claude merge gate will assess and may auto-merge if MERGE_GATE_VERDICT: APPROVE.

[praisonai-triage-agent]

MERGE_GATE_VERDICT: APPROVE

All checklist items pass:

• Files: 2 docs in docs/features/ only — no docs/concepts/, docs.json, mint.json, or workflow changes.
• Labels: pipeline/merge-ready + claude-merge-gate-active — no blocking labels.
• Size: 133 lines / 2 files — well within docs-primary limits.
• No secrets in diff.
• CI: pipeline-sync, CodeRabbit, bot-pr-trigger-reviews, scan-conflicts all pass on HEAD 08f06727.
• Reviews: No CHANGES_REQUESTED; Gemini left a COMMENTED suggestion (standalone SandboxConfig import) — not a blocking state.
• Content quality: Both pages add accurate, beginner-friendly content with correct Mintlify components (<Note>, <Tip>, <Tabs>), standard Mermaid colors, and SDK-verified import paths.

[MervinPraison]

Merged by Claude PR merge gate (claude-merge-gate.yml).
Verdict: MERGE_GATE_VERDICT: APPROVE
SHA: 08f0672
Method: merge

[MervinPraison]

Merge gate scan — not eligible for auto-merge.

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• already merged by gate
• mergeState=UNKNOWN

Actions: wait for CI and the Claude review chain, or add label needs-manual-review and merge manually.
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