docs: review fixups — factual corrections, link hygiene, and a few new pages

[mohnjiles]

Hey! First off — this docs branch is seriously impressive work. We fact-checked it against the codebase and the vast majority held up, including stuff that''s genuinely hard to get right (the ComfyUI API/WebSocket details and the Inference panel-layout descriptions are 100% accurate, and the ROCm section clearly came from reading the actual source). We''d love to get this merged into the main repo, so here''s a fixup PR to help get it over the line rather than a wall of review comments. Feel free to push back on anything!

Factual corrections (verified against source)

• installation.md — SM auto-installs the VC++ Redistributable during package install (WindowsPrerequisiteHelper.InstallVcRedistIfNecessary), so the manual install is now framed as a troubleshooting fallback rather than the norm (kept your c10.dll symptom detail — that''s useful).
• environment-variables.md — MIOPEN_SEARCH_CUTOFF auto-applied value is 1, not 2 (RocmEnvironmentOptions.cs); added MIOPEN_FIND_ENFORCE=1 to the auto-applied list; the "(RDNA3 and newer)" notes now spell out RDNA3/RDNA3.5/RDNA4 and the gfx1152/gfx1153 AOTriton exclusion; added a note about ComfyUI-Zluda''s own auto-set vars and that env-var editor entries are applied last.
• inference/overview.md — video generation is three independent tabs (Wan Text to Video, Wan Image to Video, SVD Image to Video), each its own project type, rather than one mode.
• supported-packages.md — ComfyUI-Zluda manual-setup cutoff aligned to "below RX 6800" per the package''s own disclaimer.
• terminology.md — dropped the "Variable Auto Encoder" alternate name (not a real usage); reworded the "most SDXL checkpoints are VAE-baked" claim (varies a lot by release, and the broken fp16 VAE era made external VAEs near-mandatory for a while); framed the CFG ranges as community rules of thumb.
• getting-started/overview.md — VRAM figures kept but framed as rough, dated rules of thumb since they aren''t app-enforced.

Link hygiene

Links to not-yet-written pages are now plain text with (planned) markers so readers don''t hit 404s, and they''re easy to re-link as you write each page. Typo fixes in the README intro and a couple of other spots (documentation/explanation/packages/Integration).

New pages

• getting-started/data-directory.md — it was linked from four places, so we wrote it. Every claim is verified against SelectDataDirectoryViewModel/SettingsManager (portable .sm-portable marker and its precedence, library.json, per-OS defaults, FAT32/OneDrive warnings, and that changing the directory re-points rather than moves data).
• package-manager/overview.md, advanced/overview.md, tips/overview.md — small section index pages so the Section Overview breadcrumbs on your existing pages resolve.
• terminology.md also got a light wording-variety pass (reducing some repeated phrasings) — content untouched.

Left for your judgment

• SimpleSDXL isn''t in supported-packages.md — if that''s intentional (it carries a critical known-vulnerability disclaimer in-app), all good; if you add it later, probably worth calling that out.
• Screenshots for the getting-started/first-launch flow and a troubleshooting page would be amazing follow-ups — happy to help with either.

Thanks again for all the work on this — excited to get it upstream! 🎉

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