Notes from the team.

Product updates, engineering write-ups, and research from the Reclit team.

· Muhammad Haroon · 1 min read

Virtual Column Reordering: How We Move Millions of Cells in O(1) Time

Moving a column in a huge spreadsheet shouldn't mean mutating thousands of rows in memory. In Reclit, we reorder virtual column IDs, keeping physical cell data untouched.

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· Muhammad Haroon · 3 min read

Building Spreadsheets on Canvas: How Reclit Renders Thousands of Rows

Building a spreadsheet that can handle thousands of rows seamlessly requires moving away from the DOM. In Reclit, we leverage HTML5 Canvas and 2D arrays to create a highly performant, AI-navigable grid.

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· Muhammad Haroon · 3 min read

Context Engineering: The Real Challenge Behind Reliable AI

We invented the phrase “context engineering” only months ago. Turning it from prompt hacking into something closer to actual engineering means better models of what the context is doing—and serious investment in the outer loop of data.

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· Muhammad Haroon · 2 min read

Solving Hard Problems in Complex Codebases

Complex codebases need more than better prompts. Research, planning, context management, and human thinking help coding agents solve harder problems with less slop.

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· Muhammad Haroon · 3 min read

Reducing AI Hallucinations: From Prompting to Verification

Reducing AI hallucinations requires more than better prompts. Grounding, tool use, evidence, and deterministic verification provide stronger reliability.

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· Muhammad Haroon · 3 min read

Harness Engineering: Turning AI Intelligence into Reliable Systems

AI models are becoming more capable, but intelligence alone does not guarantee reliable results. Harness engineering adds the tools, guardrails, context, and verification needed to turn AI reasoning into dependable action.

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