docs: add Dakera Storage backend documentation

[ferhimedamine]

Summary

Adds documentation for DakeraStorage from the crewai-dakera package (v0.2.0), a custom StorageBackend implementation that persists CrewAI memory to a self-hosted Dakera server.

Closes #6409

What Changed

• New page: docs/edge/en/concepts/dakera-storage.mdx
• Navigation: Added entry in docs/docs.json after concepts/memory

Quick Start (from the docs)

from crewai import Crew
from crewai_dakera import DakeraStorage

crew = Crew(
    agents=[...],
    tasks=[...],
    memory=True,
    storage=DakeraStorage(
        base_url="http://localhost:3000",
        api_key="your_key"
    )
)

The server runs in Docker:

docker run -p 3000:3000 -e DAKERA_API_KEY=demo -v dakera_data:/data dakera/dakera:latest

Why This Backend

The default LanceDB backend writes to ./.crewai/memory — coupled to the local filesystem. Dakera offers:

• Cross-session persistence: survives container restarts and deployments
• Shared memory pool: multiple crew instances point to one server
• Decay-weighted recall: memory importance decays over time without access
• REST-inspectable: curl the server to inspect, inject, or delete memories

Docs Coverage

The page includes: quick start, usage with Crews/Agents/Memory, decay config, cross-session persistence examples, env var setup, REST API patterns, Docker Compose production setup, and troubleshooting.

Test Plan

• Verify DakeraStorage imports from crewai-dakera (pip install crewai-dakera)
• Spin up Dakera with docker run -p 3000:3000 -e DAKERA_API_KEY=demo dakera/dakera:latest
• Run the crew example in the docs and confirm memories persist across two runs
• Mintlify renders the MDX page without errors

🤖 Generated with Claude Code

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 6e9acad6-8fdc-43cf-8049-b80d685742a9

📥 Commits

Reviewing files that changed from the base of the PR and between 8435a8a and ef380ff.

📒 Files selected for processing (1)

• docs/edge/en/concepts/dakera-storage.mdx

✅ Files skipped from review due to trivial changes (1)

• docs/edge/en/concepts/dakera-storage.mdx

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📝 Walkthrough

Walkthrough

This PR adds a new Dakera Storage concept page and registers it in the docs navigation. The page describes Dakera as a self-hosted persistent StorageBackend, shows CrewAI integration patterns, and documents configuration, REST workflows, deployment, and troubleshooting.

Changes

Dakera Storage documentation

Layer / File(s)	Summary
Navigation entry and page introduction docs/docs.json, docs/edge/en/concepts/dakera-storage.mdx	Adds the edge/en/concepts/dakera-storage navigation entry and the new page front matter plus overview for Dakera Storage.
Installation, endpoints, and usage examples docs/edge/en/concepts/dakera-storage.mdx	Documents server installation and startup, core REST endpoints, CrewAI integration patterns, decay-weighted recall, and cross-session persistence examples.
Configuration, environment variables, and REST operations docs/edge/en/concepts/dakera-storage.mdx	Documents DakeraStorage constructor parameters, environment variable wiring, and REST curl examples for inspecting, searching, and deleting memories.
Deployment, troubleshooting, and resources docs/edge/en/concepts/dakera-storage.mdx	Adds a Docker Compose production deployment example, troubleshooting guidance, and further resource links.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly states the new Dakera Storage backend documentation and matches the main change.
Description check	✅ Passed	The description is directly about adding DakeraStorage docs and the new navigation entry.
Linked Issues check	✅ Passed	The added docs page and nav entry cover the requested self-hosted storage backend, persistence, decay recall, REST use, and Docker setup.
Out of Scope Changes check	✅ Passed	The change set is limited to documentation and navigation updates, with no unrelated code changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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