Adds new notes for the Model Context Protocol (MCP) including an overview and details on the FastMCP framework.
Integrates 'Atmospheric Computing' concepts into existing AT Protocol notes to better describe its philosophy and architecture:
- Introduced 'philosophy' section in atproto/README.md with Atmospheric Computing definition.
- Updated PDS description in atproto/README.md to reflect 'personal cloud' metaphor.
- Enhanced 'why this matters' in atproto/data.md to link to Atmospheric Computing benefits.
- Added blog post source for Atmospheric Computing.

- io.md: document flate.Decompress panic on x86_64-linux, workaround
- dependencies.md: tangled.sh as zig package source
- 0.15/README.md: zig issues moved to codeberg (30xxx+)

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- remove filterable decorator (covered in mcp.md)
- remove lowercase aesthetic (implicit in notes style)

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async.md:
- add connection pool singleton pattern from follower-weight
- add postgres batch writes with unnest()

pydantic.md:
- add model_validator for side effects (logging setup)

firehose.md:
- replace generic batch example with realistic tap_consumer pattern
- show separate buffers, time-based flushing, pending acks

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bind validation to types with Annotated + AfterValidator
instead of repeating @field_validator on each schema

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- add diagram showing all components (PDS, Relay, AppView, Feed Generator, Labeler)
- explain each component factually
- show data flow step by step
- remove derivative philosophy, focus on how it works

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covers identity, data model, lexicons, firehose/jetstream,
auth, and labels. based on plyr.fm, pdsx, teal-fm patterns
and paul frazee's atmospheric computing posts.

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groups (PEP 735) stay local, optional deps go into package metadata

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- restructure into language/ and ecosystem/ subdirectories
- trim README commentary
- verify all code examples against pdsx, fastmcp, docket
- add source links to examples

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- use tuple membership dispatch, not match/case
- add RawDescriptionHelpFormatter
- add async main pattern with sys.exit(asyncio.run())
- link to actual source

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- README: recommend 3.12+
- typing.md: native generic syntax [T], type statement
- uv.md: PEP 723 inline script metadata (# /// script)
- patterns.md: argparse with subparsers

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- async.md: focus on async with as core insight, explain why
- pydantic.md: acknowledge it's a library, explain the core idea
- README: honest about language vs ecosystem, better intro

cut 250 lines of snippet gallery

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restructure python notes to cover the language itself, not just tooling:
- typing.md: modern type hints, Protocol, generics, ParamSpec
- async.md: context managers, ContextVar, concurrency patterns
- pydantic.md: models, validators, discriminated unions, settings
- patterns.md: class design, decorators, error handling

rewrite README as friendly introduction with language/ecosystem split

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- reference plyr-python-client, pmgfal, prefect-mcp-server-demo, typsht
- add uv workspaces section
- add uv_build as simpler backend option
- mention typsht and prek as alternatives

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- organization.md: modular build.zig, Config struct, SharedDeps
- dependencies.md: lazy deps, vendored vs system libs, pinning
- codegen.md: generating zig source at build time
- cross-compilation.md: cpu targeting, glibc, universal binaries

patterns from studying two large production zig projects

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make each file more accessible - explain what the thing is for,
why you'd care, and what the patterns mean in context.

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- arraylist: focus on ownership (toOwnedSlice vs deinit), not "remember allocator"
- io: keep core patterns + tls quirk, add http.Client, delete history lesson
- build: just the 0.15 change and hash trick, delete boilerplate
- comptime: generalizable patterns, not zql description
- concurrency: design decisions (atomics vs mutex), not std.Thread syntax

-182 lines, mostly redundant/obvious content

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- arraylist.md: why allocator is now passed to every method
- io.md: writergate, explicit buffers, tls reading quirk
- build.md: createModule pattern, build.zig.zon
- comptime.md: type-returning functions, inline for, reflection
- concurrency.md: thread pools, mutexes, atomics, backoff

README is now just an index with links

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- ziglang/README.md: summary with project table and dependency links
- ziglang/0.15/README.md: patterns with specific file/line references

all links verified against source files

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