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templates: memory chatbot and vector rag notes#8788

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mendonk merged 3 commits into
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templates-memory-chatbot-cleanup
Jun 30, 2025
Merged

templates: memory chatbot and vector rag notes#8788
mendonk merged 3 commits into
mainfrom
templates-memory-chatbot-cleanup

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@mendonk mendonk commented Jun 30, 2025

Combined the 2 notes into 1 note at the beginning of the flow.

Fixed some outdated language in Vector Store RAG note.

Summary by CodeRabbit

  • Documentation

    • Updated the Memory Chatbot starter project's description for clarity and brevity, including a quickstart guide and OpenAI API key instructions.
    • Removed a redundant note about obtaining an OpenAI API key.
  • Style

    • Adjusted node positions, sizes, and layout for improved visual organization in the starter project.
  • Chores

    • Refreshed internal identifiers for nodes and edges to ensure consistency and uniqueness.
    • Added a new output selection field to the language model component.

@mendonk mendonk self-assigned this Jun 30, 2025
@dosubot dosubot Bot added the size:L This PR changes 100-499 lines, ignoring generated files. label Jun 30, 2025
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Walkthrough

The update modifies the Memory Chatbot.json starter project by regenerating node and edge IDs, revising descriptive note content, removing an obsolete note, adjusting node layout metadata, and adding a "selected_output" field to the LanguageModelComponent node. The structural logic and flow remain unchanged, with all modifications limited to configuration data.

Changes

File(s) Change Summary
src/backend/base/langflow/initial_setup/starter_projects/Memory Chatbot.json Regenerated node and edge IDs, updated note content, removed an obsolete note, adjusted node layout, and added "selected_output" to LanguageModelComponent.

Possibly related PRs

Suggested labels

bug, size:S, lgtm

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  • erichare
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Actionable comments posted: 0

🧹 Nitpick comments (2)
src/backend/base/langflow/initial_setup/starter_projects/Memory Chatbot.json (2)

26-32: Edge id string contains uncommon delimiter glyphs (œ) – safe but hurts diff readability

Nothing functionally wrong, yet these long IDs with œ…œ placeholders are noisy and make future reviews harder.
Consider hashing / slug-ifying the handle JSON instead of embedding the full object dump.


710-717: "dragging": true committed – leftover editor state

The node will appear mid-drag when the project is first opened. Set back to false or omit the key to avoid confusion.

-        "dragging": true,
+        "dragging": false,
📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between 0ce568c and 805a201.

📒 Files selected for processing (1)
  • src/backend/base/langflow/initial_setup/starter_projects/Memory Chatbot.json (13 hunks)
🧰 Additional context used
🧠 Learnings (2)
📓 Common learnings
Learnt from: CR
PR: langflow-ai/langflow#0
File: .cursor/rules/backend_development.mdc:0-0
Timestamp: 2025-06-30T14:39:17.428Z
Learning: Starter project files are auto-formatted after langflow run; these changes can be committed or ignored
src/backend/base/langflow/initial_setup/starter_projects/Memory Chatbot.json (7)
Learnt from: CR
PR: langflow-ai/langflow#0
File: .cursor/rules/backend_development.mdc:0-0
Timestamp: 2025-06-30T14:39:17.428Z
Learning: Starter project files are auto-formatted after langflow run; these changes can be committed or ignored
Learnt from: CR
PR: langflow-ai/langflow#0
File: .cursor/rules/frontend_development.mdc:0-0
Timestamp: 2025-06-23T12:46:42.048Z
Learning: Custom React Flow node types should be implemented as memoized components, using Handle components for connection points and supporting optional icons and labels.
Learnt from: CR
PR: langflow-ai/langflow#0
File: .cursor/rules/icons.mdc:0-0
Timestamp: 2025-06-23T12:46:52.420Z
Learning: When implementing a new component icon in Langflow, ensure the icon name is clear, recognizable, and used consistently across both backend (Python 'icon' attribute) and frontend (React/TypeScript mapping).
Learnt from: CR
PR: langflow-ai/langflow#0
File: .cursor/rules/frontend_development.mdc:0-0
Timestamp: 2025-06-23T12:46:42.048Z
Learning: React Flow should be used for flow graph visualization, with nodes and edges passed as props, and changes handled via onNodesChange and onEdgesChange callbacks.
Learnt from: CR
PR: langflow-ai/langflow#0
File: .cursor/rules/frontend_development.mdc:0-0
Timestamp: 2025-06-30T14:40:29.494Z
Learning: Applies to src/frontend/src/components/**/*FlowGraph.tsx : Use React Flow for flow graph visualization components.
Learnt from: CR
PR: langflow-ai/langflow#0
File: .cursor/rules/testing.mdc:0-0
Timestamp: 2025-06-30T14:41:58.837Z
Learning: Applies to {src/backend/tests/**/*.py,tests/**/*.py} : Test Langflow's 'Message' objects and chat functionality by asserting correct properties and structure.
Learnt from: CR
PR: langflow-ai/langflow#0
File: .cursor/rules/testing.mdc:0-0
Timestamp: 2025-06-30T14:41:58.837Z
Learning: Applies to {src/backend/tests/**/*.py,tests/**/*.py} : Use 'MockLanguageModel' for testing language model components without external API calls.
🔇 Additional comments (3)
src/backend/base/langflow/initial_setup/starter_projects/Memory Chatbot.json (3)

731-763: Merged note looks good, but measured vs style sizes are inconsistent

measured.height ≈ 666 while style.height is 736 and width differs too.
This can create a “rubber-band” effect when the canvas re-renders.

-        "measured": {
-          "height": 666,
-          "width": 383
-        },
+        "measured": { "height": 736, "width": 324 },

Either adjust measured to match style or drop measured/style entries (they are regenerated at runtime).


1531-1533: Good addition of selected_output on the LLM node

Explicitly setting "selected_output": "text_output" prevents accidental handle changes and aligns with edge 112.


1550-1553: Viewport shift committed – verify starting zoom/position

The new viewport (zoom≈0.65, x/y = -903/4) may open the flow off-center for new users.
Ensure this was intentional; otherwise consider resetting to (0,0,1) before committing.

@mendonk mendonk changed the title templates: memory chatbot note templates: memory chatbot and vector rag notes Jun 30, 2025
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@edwinjosechittilappilly edwinjosechittilappilly left a comment

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LGTM

@dosubot dosubot Bot added the lgtm This PR has been approved by a maintainer label Jun 30, 2025
@mendonk mendonk enabled auto-merge June 30, 2025 20:29
@mendonk mendonk added this pull request to the merge queue Jun 30, 2025
Merged via the queue into main with commit fd68538 Jun 30, 2025
70 of 71 checks passed
@mendonk mendonk deleted the templates-memory-chatbot-cleanup branch June 30, 2025 20:50
lucaseduoli pushed a commit that referenced this pull request Jul 1, 2025
* fix-note

* remove-oss-language-in-note
Khurdhula-Harshavardhan pushed a commit to JigsawStack/langflow that referenced this pull request Jul 1, 2025
jordanrfrazier pushed a commit that referenced this pull request Jul 3, 2025
* fix-note

* remove-oss-language-in-note
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